All Classes (Java SE 13 & JDK 13 )

Class	Description
AboutEvent	Event sent when the application is asked to open its about window.
AboutHandler	An implementer receives notification when the app is asked to show its about dialog.
AbsentInformationException	Thrown to indicate line number or variable information is not available.
AbstractAction	This class provides default implementations for the JFC `Action` interface.
AbstractAnnotationValueVisitor6<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_6` source version.
AbstractAnnotationValueVisitor7<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_7` source version.
AbstractAnnotationValueVisitor8<R,P>	A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_8` source version.
AbstractAnnotationValueVisitor9<R,P>	A skeletal visitor for annotation values with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
AbstractBorder	A class that implements an empty border with no size.
AbstractButton	Defines common behaviors for buttons and menu items.
AbstractCellEditor	A base class for `CellEditors`, providing default implementations for the methods in the `CellEditor` interface except `getCellEditorValue()`.
AbstractChronology	An abstract implementation of a calendar system, used to organize and identify dates.
AbstractCollection<E>	This class provides a skeletal implementation of the `Collection` interface, to minimize the effort required to implement this interface.
AbstractColorChooserPanel	This is the abstract superclass for color choosers.
AbstractDocument	An implementation of the document interface to serve as a basis for implementing various kinds of documents.
AbstractDocument.AttributeContext	An interface that can be used to allow MutableAttributeSet implementations to use pluggable attribute compression techniques.
AbstractDocument.Content	Interface to describe a sequence of character content that can be edited.
AbstractDocument.ElementEdit	An implementation of ElementChange that can be added to the document event.
AbstractElementVisitor6<R,P>	A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
AbstractElementVisitor7<R,P>	A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
AbstractElementVisitor8<R,P>	A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
AbstractElementVisitor9<R,P>	A skeletal visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
AbstractExecutorService	Provides default implementations of `ExecutorService` execution methods.
AbstractInterruptibleChannel	Base implementation class for interruptible channels.
AbstractJSObject	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
AbstractLayoutCache	Warning: Serialized objects of this class will not be compatible with future Swing releases.
AbstractLayoutCache.NodeDimensions	Used by `AbstractLayoutCache` to determine the size and x origin of a particular node.
AbstractList<E>	This class provides a skeletal implementation of the `List` interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
AbstractListModel<E>	The abstract definition for the data model that provides a `List` with its contents.
AbstractMap<K,V>	This class provides a skeletal implementation of the `Map` interface, to minimize the effort required to implement this interface.
AbstractMap.SimpleEntry<K,V>	An Entry maintaining a key and a value.
AbstractMap.SimpleImmutableEntry<K,V>	An Entry maintaining an immutable key and value.
AbstractMethodError	Thrown when an application tries to call an abstract method.
AbstractMultiResolutionImage	This class provides default implementations of several `Image` methods for classes that want to implement the `MultiResolutionImage` interface.
AbstractNotificationHandler<T>	A skeletal handler that consumes notifications and continues.
AbstractOwnableSynchronizer	A synchronizer that may be exclusively owned by a thread.
AbstractPreferences	This class provides a skeletal implementation of the `Preferences` class, greatly easing the task of implementing it.
AbstractProcessor	An abstract annotation processor designed to be a convenient superclass for most concrete annotation processors.
AbstractQueue<E>	This class provides skeletal implementations of some `Queue` operations.
AbstractQueuedLongSynchronizer	A version of `AbstractQueuedSynchronizer` in which synchronization state is maintained as a `long`.
AbstractQueuedSynchronizer	Provides a framework for implementing blocking locks and related synchronizers (semaphores, events, etc) that rely on first-in-first-out (FIFO) wait queues.
AbstractRegionPainter	Convenient base class for defining Painter instances for rendering a region or component in Nimbus.
AbstractRegionPainter.PaintContext	A class encapsulating state useful when painting.
AbstractRegionPainter.PaintContext.CacheMode	Cache mode.
AbstractRelinkableCallSite	A basic implementation of the `RelinkableCallSite` as a `MutableCallSite`.
AbstractResourceBundleProvider	`AbstractResourceBundleProvider` is an abstract class that provides the basic support for a provider implementation class for `ResourceBundleProvider`.
AbstractScriptEngine	Provides a standard implementation for several of the variants of the `eval` method.
AbstractSelectableChannel	Base implementation class for selectable channels.
AbstractSelectionKey	Base implementation class for selection keys.
AbstractSelector	Base implementation class for selectors.
AbstractSequentialList<E>	This class provides a skeletal implementation of the `List` interface to minimize the effort required to implement this interface backed by a "sequential access" data store (such as a linked list).
AbstractSet<E>	This class provides a skeletal implementation of the `Set` interface to minimize the effort required to implement this interface.
AbstractSpinnerModel	This class provides the ChangeListener part of the SpinnerModel interface that should be suitable for most concrete SpinnerModel implementations.
AbstractTableModel	This abstract class provides default implementations for most of the methods in the `TableModel` interface.
AbstractTypeVisitor6<R,P>	A skeletal visitor of types with default behavior appropriate for the `RELEASE_6` source version.
AbstractTypeVisitor7<R,P>	A skeletal visitor of types with default behavior appropriate for the `RELEASE_7` source version.
AbstractTypeVisitor8<R,P>	A skeletal visitor of types with default behavior appropriate for the `RELEASE_8` source version.
AbstractTypeVisitor9<R,P>	A skeletal visitor of types with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
AbstractUndoableEdit	An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
AbstractView	A base interface that all views shall derive from.
AbstractWriter	AbstractWriter is an abstract class that actually does the work of writing out the element tree including the attributes.
AcceptPendingException	Unchecked exception thrown when an attempt is made to initiate an accept operation on a channel and a previous accept operation has not completed.
AccessControlContext	An AccessControlContext is used to make system resource access decisions based on the context it encapsulates.
AccessControlException	This exception is thrown by the AccessController to indicate that a requested access (to a critical system resource such as the file system or the network) is denied.
AccessController	The AccessController class is used for access control operations and decisions.
AccessDeniedException	Checked exception thrown when a file system operation is denied, typically due to a file permission or other access check.
AccessException	An `AccessException` is thrown by certain methods of the `java.rmi.Naming` class (specifically `bind`, `rebind`, and `unbind`) and methods of the `java.rmi.activation.ActivationSystem` interface to indicate that the caller does not have permission to perform the action requested by the method call.
AccessibilityEventMonitor	`AccessibilityEventMonitor` implements a PropertyChange listener on every UI object that implements interface `Accessible` in the Java Virtual Machine.
AccessibilityListenerList	The `AccessibilityListenerList` is a copy of the Swing `EventListerList` class.
AccessibilityProvider	Service Provider Interface (SPI) for Assistive Technology.
Accessible	Provides information on the accessibility of a type or type component.
Accessible	Interface `Accessible` is the main interface for the accessibility package.
AccessibleAction	The `AccessibleAction` interface should be supported by any object that can perform one or more actions.
AccessibleAttributeSequence	This class collects together the span of text that share the same contiguous set of attributes, along with that set of attributes.
AccessibleBundle	Base class used to maintain a strongly typed enumeration.
AccessibleComponent	The `AccessibleComponent` interface should be supported by any object that is rendered on the screen.
AccessibleContext	`AccessibleContext` represents the minimum information all accessible objects return.
AccessibleEditableText	The `AccessibleEditableText` interface should be implemented by all classes that present editable textual information on the display.
AccessibleExtendedComponent	The `AccessibleExtendedComponent` interface should be supported by any object that is rendered on the screen.
AccessibleExtendedTable	Class `AccessibleExtendedTable` provides extended information about a user-interface component that presents data in a two-dimensional table format.
AccessibleExtendedText	The `AccessibleExtendedText` interface contains additional methods not provided by the `AccessibleText` interface.
AccessibleHyperlink	Encapsulation of a link, or set of links (e.g. client side imagemap) in a Hypertext document
AccessibleHypertext	The `AccessibleHypertext` class is the base class for all classes that present hypertext information on the display.
AccessibleIcon	The `AccessibleIcon` interface should be supported by any object that has an associated icon (e.g., buttons).
AccessibleKeyBinding	The `AccessibleKeyBinding` interface should be supported by any object that has a keyboard bindings such as a keyboard mnemonic and/or keyboard shortcut which can be used to select the object.
AccessibleObject	The `AccessibleObject` class is the base class for `Field`, `Method`, and `Constructor` objects (known as reflected objects).
AccessibleRelation	Class `AccessibleRelation` describes a relation between the object that implements the `AccessibleRelation` and one or more other objects.
AccessibleRelationSet	Class `AccessibleRelationSet` determines a component's relation set.
AccessibleResourceBundle	Deprecated. This class is deprecated as of version 1.3 of the Java Platform
AccessibleRole	Class `AccessibleRole` determines the role of a component.
AccessibleSelection	This `AccessibleSelection` interface provides the standard mechanism for an assistive technology to determine what the current selected children are, as well as modify the selection set.
AccessibleState	Class `AccessibleState` describes a component's particular state.
AccessibleStateSet	Class `AccessibleStateSet` determines a component's state set.
AccessibleStreamable	The `AccessibleStreamable` interface should be implemented by the `AccessibleContext` of any component that presents the raw stream behind a component on the display screen.
AccessibleTable	Class `AccessibleTable` describes a user-interface component that presents data in a two-dimensional table format.
AccessibleTableModelChange	The `AccessibleTableModelChange` interface describes a change to the table model.
AccessibleText	The `AccessibleText` interface should be implemented by all classes that present textual information on the display.
AccessibleTextSequence	This class collects together key details of a span of text.
AccessibleValue	The `AccessibleValue` interface should be supported by any object that supports a numerical value (e.g., a scroll bar).
AccessMode	Defines access modes used to test the accessibility of a file.
AccessWatchpointEvent	Notification of a field access in the target VM.
AccessWatchpointRequest	Request for notification when the contents of a field are accessed in the target VM.
AccountException	A generic account exception.
AccountExpiredException	Signals that a user account has expired.
AccountLockedException	Signals that an account was locked.
AccountNotFoundException	Signals that an account was not found.
Acl	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
AclEntry	An entry in an access control list (ACL).
AclEntry	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
AclEntry.Builder	A builder of `AclEntry` objects.
AclEntryFlag	Defines the flags for used by the flags component of an ACL `entry`.
AclEntryPermission	Defines the permissions for use with the permissions component of an ACL `entry`.
AclEntryType	A typesafe enumeration of the access control entry types.
AclFileAttributeView	A file attribute view that supports reading or updating a file's Access Control Lists (ACL) or file owner attributes.
AclNotFoundException	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
Action	The `Action` interface provides a useful extension to the `ActionListener` interface in cases where the same functionality may be accessed by several controls.
ActionEvent	A semantic event which indicates that a component-defined action occurred.
ActionListener	The listener interface for receiving action events.
ActionMap	`ActionMap` provides mappings from `Object`s (called keys or `Action` names) to `Action`s.
ActionMapUIResource	A subclass of javax.swing.ActionMap that implements UIResource.
Activatable	The `Activatable` class provides support for remote objects that require persistent access over time and that can be activated by the system.
ActivateFailedException	This exception is thrown by the RMI runtime when activation fails during a remote call to an activatable object.
ActivationDesc	An activation descriptor contains the information necessary to activate an object: the object's group identifier, the object's fully-qualified class name, the object's code location (the location of the class), a codebase URL path, the object's restart "mode", and, a "marshalled" object that can contain object specific initialization data.
ActivationException	General exception used by the activation interfaces.
ActivationGroup	An `ActivationGroup` is responsible for creating new instances of "activatable" objects in its group, informing its `ActivationMonitor` when either: its object's become active or inactive, or the group as a whole becomes inactive.
ActivationGroup_Stub	`ActivationGroup_Stub` is a stub class for the subclasses of `java.rmi.activation.ActivationGroup` that are exported as a `java.rmi.server.UnicastRemoteObject`.
ActivationGroupDesc	An activation group descriptor contains the information necessary to create/recreate an activation group in which to activate objects.
ActivationGroupDesc.CommandEnvironment	Startup options for ActivationGroup implementations.
ActivationGroupID	The identifier for a registered activation group serves several purposes: identifies the group uniquely within the activation system, and contains a reference to the group's activation system so that the group can contact its activation system when necessary.
ActivationID	Activation makes use of special identifiers to denote remote objects that can be activated over time.
ActivationInstantiator	An `ActivationInstantiator` is responsible for creating instances of "activatable" objects.
ActivationMonitor	An `ActivationMonitor` is specific to an `ActivationGroup` and is obtained when a group is reported active via a call to `ActivationSystem.activeGroup` (this is done internally).
ActivationSystem	The `ActivationSystem` provides a means for registering groups and "activatable" objects to be activated within those groups.
Activator	The `Activator` facilitates remote object activation.
ActiveEvent	An interface for events that know how to dispatch themselves.
Adjustable	The interface for objects which have an adjustable numeric value contained within a bounded range of values.
AdjustmentEvent	The adjustment event emitted by Adjustable objects like `Scrollbar` and `ScrollPane`.
AdjustmentListener	The listener interface for receiving adjustment events.
Adler32	A class that can be used to compute the Adler-32 checksum of a data stream.
AEADBadTagException	This exception is thrown when a `Cipher` operating in an AEAD mode (such as GCM/CCM) is unable to verify the supplied authentication tag.
AffineTransform	The `AffineTransform` class represents a 2D affine transform that performs a linear mapping from 2D coordinates to other 2D coordinates that preserves the "straightness" and "parallelness" of lines.
AffineTransformOp	This class uses an affine transform to perform a linear mapping from 2D coordinates in the source image or `Raster` to 2D coordinates in the destination image or `Raster`.
AgentInitializationException	The exception thrown when an agent fails to initialize in the target Java virtual machine.
AgentLoadException	The exception thrown when an agent cannot be loaded into the target Java virtual machine.
AlgorithmConstraints	This interface specifies constraints for cryptographic algorithms, keys (key sizes), and other algorithm parameters.
AlgorithmMethod	An abstract representation of an algorithm defined in the XML Security specifications.
AlgorithmParameterGenerator	The `AlgorithmParameterGenerator` class is used to generate a set of parameters to be used with a certain algorithm.
AlgorithmParameterGeneratorSpi	This class defines the Service Provider Interface (SPI) for the `AlgorithmParameterGenerator` class, which is used to generate a set of parameters to be used with a certain algorithm.
AlgorithmParameters	This class is used as an opaque representation of cryptographic parameters.
AlgorithmParameterSpec	A (transparent) specification of cryptographic parameters.
AlgorithmParametersSpi	This class defines the Service Provider Interface (SPI) for the `AlgorithmParameters` class, which is used to manage algorithm parameters.
AllPermission	The AllPermission is a permission that implies all other permissions.
AlphaComposite	The `AlphaComposite` class implements basic alpha compositing rules for combining source and destination colors to achieve blending and transparency effects with graphics and images.
AlreadyBoundException	Unchecked exception thrown when an attempt is made to bind the socket a network oriented channel that is already bound.
AlreadyBoundException	An `AlreadyBoundException` is thrown if an attempt is made to bind an object in the registry to a name that already has an associated binding.
AlreadyConnectedException	Unchecked exception thrown when an attempt is made to connect a `SocketChannel` that is already connected.
AncestorEvent	An event reported to a child component that originated from an ancestor in the component hierarchy.
AncestorListener	AncestorListener Interface to support notification when changes occur to a JComponent or one of its ancestors.
AnnotatedArrayType	`AnnotatedArrayType` represents the potentially annotated use of an array type, whose component type may itself represent the annotated use of a type.
AnnotatedConstruct	Represents a construct that can be annotated.
AnnotatedElement	Represents an annotated element of the program currently running in this VM.
AnnotatedParameterizedType	`AnnotatedParameterizedType` represents the potentially annotated use of a parameterized type, whose type arguments may themselves represent annotated uses of types.
AnnotatedType	`AnnotatedType` represents the potentially annotated use of a type in the program currently running in this VM.
AnnotatedTypeTree	A tree node for an annotated type.
AnnotatedTypeVariable	`AnnotatedTypeVariable` represents the potentially annotated use of a type variable, whose declaration may have bounds which themselves represent annotated uses of types.
AnnotatedWildcardType	`AnnotatedWildcardType` represents the potentially annotated use of a wildcard type argument, whose upper or lower bounds may themselves represent annotated uses of types.
Annotation	The common interface extended by all annotation types.
Annotation	An Annotation object is used as a wrapper for a text attribute value if the attribute has annotation characteristics.
AnnotationElement	Describes event metadata, such as labels, descriptions and units.
AnnotationFormatError	Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.
AnnotationMirror	Represents an annotation.
AnnotationTree	A tree node for an annotation.
AnnotationTypeMismatchException	Thrown to indicate that a program has attempted to access an element of an annotation whose type has changed after the annotation was compiled (or serialized).
AnnotationValue	Represents a value of an annotation type element.
AnnotationValueVisitor<R,P>	A visitor of the values of annotation type elements, using a variant of the visitor design pattern.
AppConfigurationEntry	This class represents a single `LoginModule` entry configured for the application specified in the `getAppConfigurationEntry(String appName)` method in the `Configuration` class.
AppConfigurationEntry.LoginModuleControlFlag	This class represents whether or not a `LoginModule` is REQUIRED, REQUISITE, SUFFICIENT or OPTIONAL.
Appendable	An object to which `char` sequences and values can be appended.
AppEvent	AppEvents are sent to listeners and handlers installed on the `Desktop` instance of the current desktop context.
AppForegroundEvent	Event sent when the application has become the foreground app, and when it is no longer the foreground app.
AppForegroundListener	Implementors are notified when the app becomes the foreground app and when it is no longer the foreground app.
AppHiddenEvent	Event sent when the application has been hidden or shown.
AppHiddenListener	Implementors are notified when the app is hidden or shown by the user.
Applet	Deprecated. The Applet API is deprecated, no replacement.
AppletContext	Deprecated. The Applet API is deprecated, no replacement.
AppletInitializer	Deprecated. The Applet API is deprecated.
AppletStub	Deprecated. The Applet API is deprecated, no replacement.
AppReopenedEvent	Event sent when the application is asked to re-open itself.
AppReopenedListener	Implementors receive notification when the app has been asked to open again.
Arc2D	`Arc2D` is the abstract superclass for all objects that store a 2D arc defined by a framing rectangle, start angle, angular extent (length of the arc), and a closure type (`OPEN`, `CHORD`, or `PIE`).
Arc2D.Double	This class defines an arc specified in `double` precision.
Arc2D.Float	This class defines an arc specified in `float` precision.
Area	An `Area` object stores and manipulates a resolution-independent description of an enclosed area of 2-dimensional space.
AreaAveragingScaleFilter	An ImageFilter class for scaling images using a simple area averaging algorithm that produces smoother results than the nearest neighbor algorithm.
ArithmeticException	Thrown when an exceptional arithmetic condition has occurred.
Array	The `Array` class provides static methods to dynamically create and access Java arrays.
Array	The mapping in the Java programming language for the SQL type `ARRAY`.
ArrayAccessTree	A tree node for an array access expression.
ArrayAccessTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ArrayBlockingQueue<E>	A bounded blocking queue backed by an array.
ArrayDeque<E>	Resizable-array implementation of the `Deque` interface.
ArrayIndexOutOfBoundsException	Thrown to indicate that an array has been accessed with an illegal index.
ArrayList<E>	Resizable-array implementation of the `List` interface.
ArrayLiteralTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ArrayReference	Provides access to an array object and its components in the target VM.
Arrays	This class contains various methods for manipulating arrays (such as sorting and searching).
ArrayStoreException	Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects.
ArrayType	Provides access to the class of an array and the type of its components in the target VM.
ArrayType	Represents an array type.
ArrayType<T>	The `ArrayType` class is the open type class whose instances describe all open data values which are n-dimensional arrays of open data values.
ArrayTypeTree	A tree node for an array type.
AssertionError	Thrown to indicate that an assertion has failed.
AssertTree	A tree node for an `assert` statement.
AssignmentTree	A tree node for an assignment expression.
AssignmentTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Association	A class that represents an SCTP association.
AssociationChangeNotification	Notification emitted when an association has either opened or closed.
AssociationChangeNotification.AssocChangeEvent	Defines the type of change event that happened to the association.
AsyncBoxView	A box that does layout asynchronously.
AsynchronousByteChannel	An asynchronous channel that can read and write bytes.
AsynchronousChannel	A channel that supports asynchronous I/O operations.
AsynchronousChannelGroup	A grouping of asynchronous channels for the purpose of resource sharing.
AsynchronousChannelProvider	Service-provider class for asynchronous channels.
AsynchronousCloseException	Checked exception received by a thread when another thread closes the channel or the part of the channel upon which it is blocked in an I/O operation.
AsynchronousFileChannel	An asynchronous channel for reading, writing, and manipulating a file.
AsynchronousServerSocketChannel	An asynchronous channel for stream-oriented listening sockets.
AsynchronousSocketChannel	An asynchronous channel for stream-oriented connecting sockets.
AtomicBoolean	A `boolean` value that may be updated atomically.
AtomicInteger	An `int` value that may be updated atomically.
AtomicIntegerArray	An `int` array in which elements may be updated atomically.
AtomicIntegerFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated `volatile int` fields of designated classes.
AtomicLong	A `long` value that may be updated atomically.
AtomicLongArray	A `long` array in which elements may be updated atomically.
AtomicLongFieldUpdater<T>	A reflection-based utility that enables atomic updates to designated `volatile long` fields of designated classes.
AtomicMarkableReference<V>	An `AtomicMarkableReference` maintains an object reference along with a mark bit, that can be updated atomically.
AtomicMoveNotSupportedException	Checked exception thrown when a file cannot be moved as an atomic file system operation.
AtomicReference<V>	An object reference that may be updated atomically.
AtomicReferenceArray<E>	An array of object references in which elements may be updated atomically.
AtomicReferenceFieldUpdater<T,V>	A reflection-based utility that enables atomic updates to designated `volatile` reference fields of designated classes.
AtomicStampedReference<V>	An `AtomicStampedReference` maintains an object reference along with an integer "stamp", that can be updated atomically.
ATR	A Smart Card's answer-to-reset bytes.
AttachingConnector	A connector which attaches to a previously running target VM.
AttachNotSupportedException	Thrown by `VirtualMachine.attach` when attempting to attach to a Java virtual machine for which a compatible `AttachProvider` does not exist.
AttachOperationFailedException	Exception type to signal that an attach operation failed in the target VM.
AttachPermission	When a `SecurityManager` set, this is the permission which will be checked when code invokes `VirtualMachine.attach` to attach to a target virtual machine.
AttachProvider	Attach provider class for attaching to a Java virtual machine.
Attr	The `Attr` interface represents an attribute in an `Element` object.
Attribute	Represents an MBean attribute by associating its name with its value.
Attribute	This interface represents an attribute associated with a named object.
Attribute	Interface `Attribute` is the base interface implemented by any and every printing attribute class to indicate that the class represents a printing attribute.
Attribute	An interface that contains information about an attribute.
AttributeChangeNotification	Provides definitions of the attribute change notifications sent by MBeans.
AttributeChangeNotificationFilter	This class implements of the `NotificationFilter` interface for the `attribute change notification`.
AttributedCharacterIterator	An `AttributedCharacterIterator` allows iteration through both text and related attribute information.
AttributedCharacterIterator.Attribute	Defines attribute keys that are used to identify text attributes.
AttributedString	An AttributedString holds text and related attribute information.
AttributeException	Interface `AttributeException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving one or more printing attributes that a particular Print Service instance does not support.
AttributeInUseException	This exception is thrown when an operation attempts to add an attribute that already exists.
AttributeList	Represents a list of values for attributes of an MBean.
AttributeList	This class defines the attributes of an SGML element as described in a DTD using the ATTLIST construct.
AttributeList	Deprecated. This interface has been replaced by the SAX2 `Attributes` interface, which includes Namespace support.
AttributeListImpl	Deprecated. This class implements a deprecated interface, `AttributeList`; that interface has been replaced by `Attributes`, which is implemented in the `AttributesImpl` helper class.
AttributeModificationException	This exception is thrown when an attempt is made to add, or remove, or modify an attribute, its identifier, or its values that conflicts with the attribute's (schema) definition or the attribute's state.
AttributeNotFoundException	The specified attribute does not exist or cannot be retrieved.
Attributes	The Attributes class maps Manifest attribute names to associated string values.
Attributes	This interface represents a collection of attributes.
Attributes	Interface for a list of XML attributes.
Attributes.Name	The Attributes.Name class represents an attribute name stored in this Map.
Attributes2	SAX2 extension to augment the per-attribute information provided though `Attributes`.
Attributes2Impl	SAX2 extension helper for additional Attributes information, implementing the `Attributes2` interface.
AttributeSet	Interface `AttributeSet` specifies the interface for a set of printing attributes.
AttributeSet	A collection of unique attributes.
AttributeSet.CharacterAttribute	This interface is the type signature that is expected to be present on any attribute key that contributes to character level presentation.
AttributeSet.ColorAttribute	This interface is the type signature that is expected to be present on any attribute key that contributes to presentation of color.
AttributeSet.FontAttribute	This interface is the type signature that is expected to be present on any attribute key that contributes to the determination of what font to use to render some text.
AttributeSet.ParagraphAttribute	This interface is the type signature that is expected to be present on any attribute key that contributes to the paragraph level presentation.
AttributeSetUtilities	Class `AttributeSetUtilities` provides static methods for manipulating `AttributeSets`.
AttributesImpl	Default implementation of the Attributes interface.
AttributeTree	A tree node for an attribute in an HTML element.
AttributeTree.ValueKind	The kind of an attribute value.
AttributeValueExp	Represents attributes used as arguments to relational constraints.
AttributeView	An object that provides a read-only or updatable view of non-opaque values associated with an object in a filesystem.
AudioClip	Deprecated. The Applet API is deprecated, no replacement.
AudioFileFormat	An instance of the `AudioFileFormat` class describes an audio file, including the file type, the file's length in bytes, the length in sample frames of the audio data contained in the file, and the format of the audio data.
AudioFileFormat.Type	An instance of the `Type` class represents one of the standard types of audio file.
AudioFileReader	Provider for audio file reading services.
AudioFileWriter	Provider for audio file writing services.
AudioFormat	`AudioFormat` is the class that specifies a particular arrangement of data in a sound stream.
AudioFormat.Encoding	The `Encoding` class names the specific type of data representation used for an audio stream.
AudioInputStream	An audio input stream is an input stream with a specified audio format and length.
AudioPermission	The `AudioPermission` class represents access rights to the audio system resources.
AudioSystem	The `AudioSystem` class acts as the entry point to the sampled-audio system resources.
AuthenticationException	This exception is thrown when an authentication error occurs while accessing the naming or directory service.
AuthenticationException	This exception is thrown by a SASL mechanism implementation to indicate that the SASL exchange has failed due to reasons related to authentication, such as an invalid identity, passphrase, or key.
AuthenticationNotSupportedException	This exception is thrown when the particular flavor of authentication requested is not supported.
Authenticator	Authenticator represents an implementation of an HTTP authentication mechanism.
Authenticator	The class Authenticator represents an object that knows how to obtain authentication for a network connection.
Authenticator.Failure	Indicates an authentication failure.
Authenticator.RequestorType	The type of the entity requesting authentication.
Authenticator.Result	Base class for return type from authenticate() method
Authenticator.Retry	Indicates an authentication must be retried.
Authenticator.Success	Indicates an authentication has succeeded and the authenticated user principal can be acquired by calling getPrincipal().
AuthorizationDataEntry	Kerberos 5 AuthorizationData entry.
AuthorizeCallback	This callback is used by `SaslServer` to determine whether one entity (identified by an authenticated authentication id) can act on behalf of another entity (identified by an authorization id).
AuthorTree	A tree node for an @author block tag.
AuthPermission	This class is for authentication permissions.
AuthProvider	This class defines login and logout methods for a provider.
AutoCloseable	An object that may hold resources (such as file or socket handles) until it is closed.
Autoscroll	During DnD operations it is possible that a user may wish to drop the subject of the operation on a region of a scrollable GUI control that is not currently visible to the user.
AWTError	Thrown when a serious Abstract Window Toolkit error has occurred.
AWTEvent	The root event class for all AWT events.
AWTEventListener	The listener interface for receiving notification of events dispatched to objects that are instances of Component or MenuComponent or their subclasses.
AWTEventListenerProxy	A class which extends the `EventListenerProxy` specifically for adding an `AWTEventListener` for a specific event mask.
AWTEventMonitor	The `AWTEventMonitor` implements a suite of listeners that are conditionally installed on every AWT component instance in the Java Virtual Machine.
AWTEventMulticaster	`AWTEventMulticaster` implements efficient and thread-safe multi-cast event dispatching for the AWT events defined in the `java.awt.event` package.
AWTException	Signals that an Abstract Window Toolkit exception has occurred.
AWTKeyStroke	An `AWTKeyStroke` represents a key action on the keyboard, or equivalent input device.
AWTPermission	This class is for AWT permissions.
BackingStoreException	Thrown to indicate that a preferences operation could not complete because of a failure in the backing store, or a failure to contact the backing store.
BadAttributeValueExpException	Thrown when an invalid MBean attribute is passed to a query constructing method.
BadBinaryOpValueExpException	Thrown when an invalid expression is passed to a method for constructing a query.
BadLocationException	This exception is to report bad locations within a document model (that is, attempts to reference a location that doesn't exist).
BadPaddingException	This exception is thrown when a particular padding mechanism is expected for the input data but the data is not padded properly.
BadStringOperationException	Thrown when an invalid string operation is passed to a method for constructing a query.
BandCombineOp	This class performs an arbitrary linear combination of the bands in a `Raster`, using a specified matrix.
BandedSampleModel	This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
Base64	This class consists exclusively of static methods for obtaining encoders and decoders for the Base64 encoding scheme.
Base64.Decoder	This class implements a decoder for decoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
Base64.Encoder	This class implements an encoder for encoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
BaselineTIFFTagSet	A class representing the set of tags found in the baseline TIFF specification as well as some common additional tags.
BaseMultiResolutionImage	This class is an array-based implementation of the `AbstractMultiResolutionImage` class.
BaseRowSet	An abstract class providing a `RowSet` object with its basic functionality.
BaseStream<T,S extends BaseStream<T,S>>	Base interface for streams, which are sequences of elements supporting sequential and parallel aggregate operations.
BasicArrowButton	JButton object that draws a scaled Arrow in one of the cardinal directions.
BasicAttribute	This class provides a basic implementation of the `Attribute` interface.
BasicAttributes	This class provides a basic implementation of the Attributes interface.
BasicAuthenticator	BasicAuthenticator provides an implementation of HTTP Basic authentication.
BasicBorders	Factory object that can vend Borders appropriate for the basic L & F.
BasicBorders.ButtonBorder	Draws a border around a button.
BasicBorders.FieldBorder	Draws the border around a field.
BasicBorders.MarginBorder	Draws the border around components which support margins.
BasicBorders.MenuBarBorder	Draws the border around a menu bar.
BasicBorders.RadioButtonBorder	Draws the border around a radio button.
BasicBorders.RolloverButtonBorder	Special thin border for rollover toolbar buttons.
BasicBorders.SplitPaneBorder	Draws the border around the splitpane.
BasicBorders.ToggleButtonBorder	Draws the border around a toggle button.
BasicButtonListener	Button Listener
BasicButtonUI	BasicButton implementation
BasicCheckBoxMenuItemUI	BasicCheckboxMenuItem implementation
BasicCheckBoxUI	CheckboxUI implementation for BasicCheckboxUI
BasicColorChooserUI	Provides the basic look and feel for a JColorChooser.
BasicComboBoxEditor	The default editor for editable combo boxes.
BasicComboBoxEditor.UIResource	A subclass of BasicComboBoxEditor that implements UIResource.
BasicComboBoxRenderer	ComboBox renderer
BasicComboBoxRenderer.UIResource	A subclass of BasicComboBoxRenderer that implements UIResource.
BasicComboBoxUI	Basic UI implementation for JComboBox.
BasicComboPopup	This is a basic implementation of the `ComboPopup` interface.
BasicControl	This class provides a basic implementation of the `Control` interface.
BasicDesktopIconUI	Basic L&F for a minimized window on a desktop.
BasicDesktopPaneUI	Basic L&F for a desktop.
BasicDirectoryModel	Basic implementation of a file list.
BasicEditorPaneUI	Provides the look and feel for a JEditorPane.
BasicFileAttributes	Basic attributes associated with a file in a file system.
BasicFileAttributeView	A file attribute view that provides a view of a basic set of file attributes common to many file systems.
BasicFileChooserUI	Basic L&F implementation of a FileChooser.
BasicFormattedTextFieldUI	Provides the look and feel implementation for `JFormattedTextField`.
BasicGraphicsUtils	Convenient util class.
BasicHTML	Support for providing html views for the swing components.
BasicIconFactory	Factory object that can vend Icons appropriate for the basic L & F.
BasicInternalFrameTitlePane	The class that manages a basic title bar
BasicInternalFrameUI	A basic L&F implementation of JInternalFrame.
BasicLabelUI	A Windows L&F implementation of LabelUI.
BasicListUI	An extensible implementation of `ListUI`.
BasicLookAndFeel	A base class to use in creating a look and feel for Swing.
BasicMenuBarUI	A default L&F implementation of MenuBarUI.
BasicMenuItemUI	BasicMenuItem implementation
BasicMenuUI	A default L&F implementation of MenuUI.
BasicOptionPaneUI	Provides the basic look and feel for a `JOptionPane`.
BasicOptionPaneUI.ButtonAreaLayout	`ButtonAreaLayout` behaves in a similar manner to `FlowLayout`.
BasicPanelUI	BasicPanel implementation
BasicPasswordFieldUI	Provides the Windows look and feel for a password field.
BasicPermission	The BasicPermission class extends the Permission class, and can be used as the base class for permissions that want to follow the same naming convention as BasicPermission.
BasicPopupMenuSeparatorUI	A Basic L&F implementation of PopupMenuSeparatorUI.
BasicPopupMenuUI	A Windows L&F implementation of PopupMenuUI.
BasicProgressBarUI	A Basic L&F implementation of ProgressBarUI.
BasicRadioButtonMenuItemUI	BasicRadioButtonMenuItem implementation
BasicRadioButtonUI	RadioButtonUI implementation for BasicRadioButtonUI
BasicRootPaneUI	Basic implementation of RootPaneUI, there is one shared between all JRootPane instances.
BasicScrollBarUI	Implementation of ScrollBarUI for the Basic Look and Feel
BasicScrollPaneUI	A default L&F implementation of ScrollPaneUI.
BasicSeparatorUI	A Basic L&F implementation of SeparatorUI.
BasicSliderUI	A Basic L&F implementation of SliderUI.
BasicSpinnerUI	The default Spinner UI delegate.
BasicSplitPaneDivider	Divider used by BasicSplitPaneUI.
BasicSplitPaneUI	A Basic L&F implementation of the SplitPaneUI.
BasicStroke	The `BasicStroke` class defines a basic set of rendering attributes for the outlines of graphics primitives, which are rendered with a `Graphics2D` object that has its Stroke attribute set to this `BasicStroke`.
BasicTabbedPaneUI	A Basic L&F implementation of TabbedPaneUI.
BasicTableHeaderUI	BasicTableHeaderUI implementation
BasicTableUI	BasicTableUI implementation
BasicTextAreaUI	Provides the look and feel for a plain text editor.
BasicTextFieldUI	Basis of a look and feel for a JTextField.
BasicTextPaneUI	Provides the look and feel for a styled text editor.
BasicTextUI	Basis of a text components look-and-feel.
BasicTextUI.BasicCaret	Default implementation of the interface `Caret`.
BasicTextUI.BasicHighlighter	Default implementation of the interface `Highlighter`.
BasicToggleButtonUI	BasicToggleButton implementation
BasicToolBarSeparatorUI	A Basic L&F implementation of ToolBarSeparatorUI.
BasicToolBarUI	A Basic L&F implementation of ToolBarUI.
BasicToolTipUI	Standard tool tip L&F.
BasicTreeUI	The basic L&F for a hierarchical data structure.
BasicViewportUI	BasicViewport implementation
BatchUpdateException	The subclass of `SQLException` thrown when an error occurs during a batch update operation.
BeanContext	The BeanContext acts a logical hierarchical container for JavaBeans.
BeanContextChild	JavaBeans wishing to be nested within, and obtain a reference to their execution environment, or context, as defined by the BeanContext sub-interface shall implement this interface.
BeanContextChildComponentProxy	This interface is implemented by `BeanContextChildren` that have an AWT `Component` associated with them.
BeanContextChildSupport	This is a general support class to provide support for implementing the BeanContextChild protocol.
BeanContextContainerProxy	This interface is implemented by BeanContexts' that have an AWT Container associated with them.
BeanContextEvent	`BeanContextEvent` is the abstract root event class for all events emitted from, and pertaining to the semantics of, a `BeanContext`.
BeanContextMembershipEvent	A `BeanContextMembershipEvent` encapsulates the list of children added to, or removed from, the membership of a particular `BeanContext`.
BeanContextMembershipListener	Compliant BeanContexts fire events on this interface when the state of the membership of the BeanContext changes.
BeanContextProxy	This interface is implemented by a JavaBean that does not directly have a BeanContext(Child) associated with it (via implementing that interface or a subinterface thereof), but has a public BeanContext(Child) delegated from it.
BeanContextServiceAvailableEvent	This event type is used by the BeanContextServicesListener in order to identify the service being registered.
BeanContextServiceProvider	One of the primary functions of a BeanContext is to act a as rendezvous between JavaBeans, and BeanContextServiceProviders.
BeanContextServiceProviderBeanInfo	A BeanContextServiceProvider implementor who wishes to provide explicit information about the services their bean may provide shall implement a BeanInfo class that implements this BeanInfo subinterface and provides explicit information about the methods, properties, events, etc, of their services.
BeanContextServiceRevokedEvent	This event type is used by the `BeanContextServiceRevokedListener` in order to identify the service being revoked.
BeanContextServiceRevokedListener	The listener interface for receiving `BeanContextServiceRevokedEvent` objects.
BeanContextServices	The BeanContextServices interface provides a mechanism for a BeanContext to expose generic "services" to the BeanContextChild objects within.
BeanContextServicesListener	The listener interface for receiving `BeanContextServiceAvailableEvent` objects.
BeanContextServicesSupport	This helper class provides a utility implementation of the java.beans.beancontext.BeanContextServices interface.
BeanContextServicesSupport.BCSSServiceProvider	subclasses may subclass this nested class to add behaviors for each BeanContextServicesProvider.
BeanContextSupport	This helper class provides a utility implementation of the java.beans.beancontext.BeanContext interface.
BeanContextSupport.BCSIterator	protected final subclass that encapsulates an iterator but implements a noop remove() method.
BeanDescriptor	A BeanDescriptor provides global information about a "bean", including its Java class, its displayName, etc.
BeanInfo	Use the `BeanInfo` interface to create a `BeanInfo` class and provide explicit information about the methods, properties, events, and other features of your beans.
BeanProperty	An annotation used to specify some property-related information for the automatically generated `BeanInfo` classes.
Beans	This class provides some general purpose beans control methods.
BeansLinker	A linker for ordinary Java objects.
BevelBorder	A class which implements a simple two-line bevel border.
BiConsumer<T,U>	Represents an operation that accepts two input arguments and returns no result.
Bidi	This class implements the Unicode Bidirectional Algorithm.
BiFunction<T,U,R>	Represents a function that accepts two arguments and produces a result.
BigDecimal	Immutable, arbitrary-precision signed decimal numbers.
BigInteger	Immutable arbitrary-precision integers.
BinaryOperator<T>	Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
BinaryRefAddr	This class represents the binary form of the address of a communications end-point.
BinaryTree	A tree node for a binary expression.
BinaryTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
BindException	Signals that an error occurred while attempting to bind a socket to a local address and port.
Binding	This class represents a name-to-object binding found in a context.
Bindings	A mapping of key/value pairs, all of whose keys are `Strings`.
BiPredicate<T,U>	Represents a predicate (boolean-valued function) of two arguments.
BitSet	This class implements a vector of bits that grows as needed.
Blob	The representation (mapping) in the Java™ programming language of an SQL `BLOB` value.
BlockingDeque<E>	A `Deque` that additionally supports blocking operations that wait for the deque to become non-empty when retrieving an element, and wait for space to become available in the deque when storing an element.
BlockingQueue<E>	A `Queue` that additionally supports operations that wait for the queue to become non-empty when retrieving an element, and wait for space to become available in the queue when storing an element.
BlockTagTree	A tree node used as the base class for the different types of block tags.
BlockTree	A tree node for a statement block.
BlockTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
BlockView	A view implementation to display a block (as a box) with CSS specifications.
BMPImageWriteParam	A subclass of `ImageWriteParam` for encoding images in the BMP format.
Book	The `Book` class provides a representation of a document in which pages may have different page formats and page painters.
Boolean	The Boolean class wraps a value of the primitive type `boolean` in an object.
BooleanControl	A `BooleanControl` provides the ability to switch between two possible settings that affect a line's audio.
BooleanControl.Type	An instance of the `BooleanControl.Type` class identifies one kind of boolean control.
BooleanFlag	Event field annotation, specifies that the value is a boolean flag, a `true` or `false` value
BooleanSupplier	Represents a supplier of `boolean`-valued results.
BooleanType	The type of all primitive `boolean` values accessed in the target VM.
BooleanValue	Provides access to a primitive `boolean` value in the target VM.
Bootstrap	Initial class that provides access to the default implementation of JDI interfaces.
BootstrapMethodError	Thrown to indicate that an `invokedynamic` instruction or a dynamic constant failed to resolve its bootstrap method and arguments, or for `invokedynamic` instruction the bootstrap method has failed to provide a call site with a target of the correct method type, or for a dynamic constant the bootstrap method has failed to provide a constant value of the required type.
Border	Interface describing an object capable of rendering a border around the edges of a swing component.
BorderFactory	Factory class for vending standard `Border` objects.
BorderLayout	A border layout lays out a container, arranging and resizing its components to fit in five regions: north, south, east, west, and center.
BorderUIResource	A Border wrapper class which implements UIResource.
BorderUIResource.BevelBorderUIResource	A bevel border UI resource.
BorderUIResource.CompoundBorderUIResource	A compound border UI resource.
BorderUIResource.EmptyBorderUIResource	An empty border UI resource.
BorderUIResource.EtchedBorderUIResource	An etched border UI resource.
BorderUIResource.LineBorderUIResource	A line border UI resource.
BorderUIResource.MatteBorderUIResource	A matte border UI resource.
BorderUIResource.TitledBorderUIResource	A titled border UI resource.
BoundedRangeModel	Defines the data model used by components like `Slider`s and `ProgressBar`s.
Box	A lightweight container that uses a BoxLayout object as its layout manager.
Box.Filler	An implementation of a lightweight component that participates in layout but has no view.
BoxLayout	A layout manager that allows multiple components to be laid out either vertically or horizontally.
BoxView	A view that arranges its children into a box shape by tiling its children along an axis.
BreakIterator	The `BreakIterator` class implements methods for finding the location of boundaries in text.
BreakIteratorProvider	An abstract class for service providers that provide concrete implementations of the `BreakIterator` class.
BreakpointEvent	Notification of a breakpoint in the target VM.
BreakpointRequest	Identifies a `Location` in the target VM at which execution should be stopped.
BreakTree	A tree node for a `break` statement.
BreakTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
BrokenBarrierException	Exception thrown when a thread tries to wait upon a barrier that is in a broken state, or which enters the broken state while the thread is waiting.
Buffer	A container for data of a specific primitive type.
BufferCapabilities	Capabilities and properties of buffers.
BufferCapabilities.FlipContents	A type-safe enumeration of the possible back buffer contents after page-flipping
BufferedImage	The `BufferedImage` subclass describes an `Image` with an accessible buffer of image data.
BufferedImageFilter	The `BufferedImageFilter` class subclasses an `ImageFilter` to provide a simple means of using a single-source/single-destination image operator (`BufferedImageOp`) to filter a `BufferedImage` in the Image Producer/Consumer/Observer paradigm.
BufferedImageOp	This interface describes single-input/single-output operations performed on `BufferedImage` objects.
BufferedInputStream	A `BufferedInputStream` adds functionality to another input stream-namely, the ability to buffer the input and to support the `mark` and `reset` methods.
BufferedOutputStream	The class implements a buffered output stream.
BufferedReader	Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
BufferedWriter	Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
BufferOverflowException	Unchecked exception thrown when a relative put operation reaches the target buffer's limit.
BufferPoolMXBean	The management interface for a buffer pool, for example a pool of `direct` or `mapped` buffers.
BufferStrategy	The `BufferStrategy` class represents the mechanism with which to organize complex memory on a particular `Canvas` or `Window`.
BufferUnderflowException	Unchecked exception thrown when a relative get operation reaches the source buffer's limit.
Button	This class creates a labeled button.
ButtonGroup	This class is used to create a multiple-exclusion scope for a set of buttons.
ButtonModel	State model for buttons.
ButtonUI	Pluggable look and feel interface for JButton.
Byte	The `Byte` class wraps a value of primitive type `byte` in an object.
ByteArrayInputStream	A `ByteArrayInputStream` contains an internal buffer that contains bytes that may be read from the stream.
ByteArrayOutputStream	This class implements an output stream in which the data is written into a byte array.
ByteBuffer	A byte buffer.
ByteChannel	A channel that can read and write bytes.
ByteLookupTable	This class defines a lookup table object.
ByteOrder	A typesafe enumeration for byte orders.
ByteType	The type of all primitive byte values accessed in the target VM.
ByteValue	Provides access to a primitive `byte` value in the target VM.
C14NMethodParameterSpec	A specification of algorithm parameters for a `CanonicalizationMethod` Algorithm.
CachedRowSet	The interface that all standard implementations of `CachedRowSet` must implement.
CacheRequest	Represents channels for storing resources in the ResponseCache.
CacheResponse	Represent channels for retrieving resources from the ResponseCache.
Calendar	The `Calendar` class is an abstract class that provides methods for converting between a specific instant in time and a set of `calendar fields` such as `YEAR`, `MONTH`, `DAY_OF_MONTH`, `HOUR`, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
Calendar.Builder	`Calendar.Builder` is used for creating a `Calendar` from various date-time parameters.
CalendarDataProvider	An abstract class for service providers that provide locale-dependent `Calendar` parameters.
CalendarNameProvider	An abstract class for service providers that provide localized string representations (display names) of `Calendar` field values.
Callable<V>	A task that returns a result and may throw an exception.
CallableStatement	The interface used to execute SQL stored procedures.
Callback	Implementations of this interface are passed to a `CallbackHandler`, allowing underlying security services the ability to interact with a calling application to retrieve specific authentication data such as usernames and passwords, or to display certain information, such as error and warning messages.
CallbackHandler	An application implements a `CallbackHandler` and passes it to underlying security services so that they may interact with the application to retrieve specific authentication data, such as usernames and passwords, or to display certain information, such as error and warning messages.
CallSite	A `CallSite` is a holder for a variable `MethodHandle`, which is called its `target`.
CallSiteDescriptor	Call site descriptors contain all the information necessary for linking a call site.
CancelablePrintJob	This interface is used by a printing application to cancel a print job.
CancellationException	Exception indicating that the result of a value-producing task, such as a `FutureTask`, cannot be retrieved because the task was cancelled.
CancelledKeyException	Unchecked exception thrown when an attempt is made to use a selection key that is no longer valid.
CannotProceedException	This exception is thrown to indicate that the operation reached a point in the name where the operation cannot proceed any further.
CannotRedoException	Thrown when an UndoableEdit is told to `redo()` and can't.
CannotUndoException	Thrown when an UndoableEdit is told to `undo()` and can't.
CanonicalizationMethod	A representation of the XML `CanonicalizationMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
Canvas	A `Canvas` component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
Card	A Smart Card with which a connection has been established.
CardChannel	A logical channel connection to a Smart Card.
CardException	Exception for errors that occur during communication with the Smart Card stack or the card itself.
CardLayout	A `CardLayout` object is a layout manager for a container.
CardNotPresentException	Exception thrown when an application tries to establish a connection with a terminal that has no card present.
CardPermission	A permission for Smart Card operations.
CardTerminal	A Smart Card terminal, sometimes referred to as a Smart Card Reader.
CardTerminals	The set of terminals supported by a TerminalFactory.
CardTerminals.State	Enumeration of attributes of a CardTerminal.
Caret	A place within a document view that represents where things can be inserted into the document model.
CaretEvent	CaretEvent is used to notify interested parties that the text caret has changed in the event source.
CaretListener	Listener for changes in the caret position of a text component.
CaseTree	A tree node for a `case` in a `switch` statement or expression.
CaseTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
CaseTree.CaseKind	Deprecated, for removal: This API element is subject to removal in a future version. This enum is used to model a rule case, which is part of a preview feature and may be removed if the preview feature is removed.
Catalog	The Catalog class represents an entity Catalog as defined by XML Catalogs, OASIS Standard V1.1, 7 October 2005.
CatalogException	The exception class handles errors that may happen while processing or using a catalog.
CatalogFeatures	The CatalogFeatures holds a collection of features and properties.
CatalogFeatures.Builder	The Builder class for building the CatalogFeatures object.
CatalogFeatures.Feature	A Feature type as defined in the Catalog Features table.
CatalogManager	The Catalog Manager manages the creation of XML Catalogs and Catalog Resolvers.
CatalogResolver	A Catalog Resolver that implements SAX `EntityResolver`, StAX `XMLResolver`, DOM LS `LSResourceResolver` used by Schema Validation, and Transform `URIResolver`, and resolves external references using catalogs.
CatchTree	A tree node for a `catch` block in a `try` statement.
CatchTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Category	Event annotation, to associate the event type with a category, in the format of a human-readable path.
CDATASection	CDATA sections are used to escape blocks of text containing characters that would otherwise be regarded as markup.
CellEditor	This interface defines the methods any general editor should be able to implement.
CellEditorListener	CellEditorListener defines the interface for an object that listens to changes in a CellEditor
CellRendererPane	This class is inserted in between cell renderers and the components that use them.
Certificate	Abstract class for managing a variety of identity certificates.
Certificate	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
Certificate	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
Certificate.CertificateRep	Alternate Certificate class for serialization.
CertificateEncodingException	Certificate Encoding Exception.
CertificateEncodingException	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
CertificateException	This exception indicates one of a variety of certificate problems.
CertificateException	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
CertificateExpiredException	Certificate Expired Exception.
CertificateExpiredException	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
CertificateFactory	This class defines the functionality of a certificate factory, which is used to generate certificate, certification path (`CertPath`) and certificate revocation list (CRL) objects from their encodings.
CertificateFactorySpi	This class defines the Service Provider Interface (SPI) for the `CertificateFactory` class.
CertificateNotYetValidException	Certificate is not yet valid exception.
CertificateNotYetValidException	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
CertificateParsingException	Certificate Parsing Exception.
CertificateParsingException	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
CertificateRevokedException	An exception that indicates an X.509 certificate is revoked.
CertPath	An immutable sequence of certificates (a certification path).
CertPath.CertPathRep	Alternate `CertPath` class for serialization.
CertPathBuilder	A class for building certification paths (also known as certificate chains).
CertPathBuilderException	An exception indicating one of a variety of problems encountered when building a certification path with a `CertPathBuilder`.
CertPathBuilderResult	A specification of the result of a certification path builder algorithm.
CertPathBuilderSpi	The Service Provider Interface (SPI) for the `CertPathBuilder` class.
CertPathChecker	Performs one or more checks on each `Certificate` of a `CertPath`.
CertPathParameters	A specification of certification path algorithm parameters.
CertPathTrustManagerParameters	A wrapper for CertPathParameters.
CertPathValidator	A class for validating certification paths (also known as certificate chains).
CertPathValidatorException	An exception indicating one of a variety of problems encountered when validating a certification path.
CertPathValidatorException.BasicReason	The BasicReason enumerates the potential reasons that a certification path of any type may be invalid.
CertPathValidatorException.Reason	The reason the validation algorithm failed.
CertPathValidatorResult	A specification of the result of a certification path validator algorithm.
CertPathValidatorSpi	The Service Provider Interface (SPI) for the `CertPathValidator` class.
CertSelector	A selector that defines a set of criteria for selecting `Certificate`s.
CertStore	A class for retrieving `Certificate`s and `CRL`s from a repository.
CertStoreException	An exception indicating one of a variety of problems retrieving certificates and CRLs from a `CertStore`.
CertStoreParameters	A specification of `CertStore` parameters.
CertStoreSpi	The Service Provider Interface (SPI) for the `CertStore` class.
ChaCha20ParameterSpec	This class specifies the parameters used with the ChaCha20 algorithm.
ChainedCallSite	A relinkable call site that implements a polymorphic inline caching strategy.
ChangedCharSetException	ChangedCharSetException as the name indicates is an exception thrown when the charset is changed.
ChangeEvent	ChangeEvent is used to notify interested parties that state has changed in the event source.
ChangeListener	Defines an object which listens for ChangeEvents.
Channel	A nexus for I/O operations.
ChannelBinding	This class encapsulates the concept of caller-provided channel binding information.
Channels	Utility methods for channels and streams.
Channels	Defines static methods to create `channels`.
Channels.SelectableChannelCloser	An object used to coordinate the closing of a selectable channel created by `readWriteSelectableChannel`.
Character	The `Character` class wraps a value of the primitive type `char` in an object.
Character.Subset	Instances of this class represent particular subsets of the Unicode character set.
Character.UnicodeBlock	A family of character subsets representing the character blocks in the Unicode specification.
Character.UnicodeScript	A family of character subsets representing the character scripts defined in the Unicode Standard Annex #24: Script Names.
CharacterCodingException	Checked exception thrown when a character encoding or decoding error occurs.
CharacterData	The `CharacterData` interface extends Node with a set of attributes and methods for accessing character data in the DOM.
CharacterIterator	This interface defines a protocol for bidirectional iteration over text.
Characters	This describes the interface to Characters events.
CharArrayReader	This class implements a character buffer that can be used as a character-input stream.
CharArrayWriter	This class implements a character buffer that can be used as an Writer.
CharBuffer	A char buffer.
CharConversionException	Base class for character conversion exceptions.
CharSequence	A `CharSequence` is a readable sequence of `char` values.
Charset	A named mapping between sequences of sixteen-bit Unicode code units and sequences of bytes.
CharsetDecoder	An engine that can transform a sequence of bytes in a specific charset into a sequence of sixteen-bit Unicode characters.
CharsetEncoder	An engine that can transform a sequence of sixteen-bit Unicode characters into a sequence of bytes in a specific charset.
CharsetProvider	Charset service-provider class.
CharType	The type of all primitive char values accessed in the target VM.
CharValue	Provides access to a primitive `char` value in the target VM.
Checkbox	A check box is a graphical component that can be in either an "on" (`true`) or "off" (`false`) state.
CheckboxGroup	The `CheckboxGroup` class is used to group together a set of `Checkbox` buttons.
CheckboxMenuItem	This class represents a check box that can be included in a menu.
CheckedInputStream	An input stream that also maintains a checksum of the data being read.
CheckedOutputStream	An output stream that also maintains a checksum of the data being written.
Checksum	An interface representing a data checksum.
Choice	The `Choice` class presents a pop-up menu of choices.
ChoiceCallback	Underlying security services instantiate and pass a `ChoiceCallback` to the `handle` method of a `CallbackHandler` to display a list of choices and to retrieve the selected choice(s).
ChoiceFormat	A `ChoiceFormat` allows you to attach a format to a range of numbers.
Chromaticity	Class `Chromaticity` is a printing attribute class, an enumeration, that specifies monochrome or color printing.
ChronoField	A standard set of fields.
ChronoLocalDate	A date without time-of-day or time-zone in an arbitrary chronology, intended for advanced globalization use cases.
ChronoLocalDateTime<D extends ChronoLocalDate>	A date-time without a time-zone in an arbitrary chronology, intended for advanced globalization use cases.
Chronology	A calendar system, used to organize and identify dates.
ChronoPeriod	A date-based amount of time, such as '3 years, 4 months and 5 days' in an arbitrary chronology, intended for advanced globalization use cases.
ChronoUnit	A standard set of date periods units.
ChronoZonedDateTime<D extends ChronoLocalDate>	A date-time with a time-zone in an arbitrary chronology, intended for advanced globalization use cases.
Cipher	This class provides the functionality of a cryptographic cipher for encryption and decryption.
CipherInputStream	A CipherInputStream is composed of an InputStream and a Cipher so that read() methods return data that are read in from the underlying InputStream but have been additionally processed by the Cipher.
CipherOutputStream	A CipherOutputStream is composed of an OutputStream and a Cipher so that write() methods first process the data before writing them out to the underlying OutputStream.
CipherSpi	This class defines the Service Provider Interface (SPI) for the `Cipher` class.
Class<T>	Instances of the class `Class` represent classes and interfaces in a running Java application.
ClassCastException	Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
ClassCircularityError	Thrown when the Java Virtual Machine detects a circularity in the superclass hierarchy of a class being loaded.
ClassDeclarationTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ClassDefinition	This class serves as a parameter block to the `Instrumentation.redefineClasses` method.
ClassDesc	A nominal descriptor for a `Class` constant.
ClassExpressionTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ClassFileTransformer	A transformer of class files.
ClassFilter	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ClassFormatError	Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
ClassLoader	A class loader is an object that is responsible for loading classes.
ClassLoaderReference	A class loader object from the target VM.
ClassLoaderRepository	Instances of this interface are used to keep the list of ClassLoaders registered in an MBean Server.
ClassLoadingMXBean	The management interface for the class loading system of the Java virtual machine.
ClassNotFoundException	Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
ClassNotLoadedException	Thrown to indicate that the requested class has not yet been loaded through the appropriate class loader.
ClassNotPreparedException	Thrown to indicate that the requested operation cannot be completed because the specified class has not yet been prepared.
ClassObjectReference	An instance of java.lang.Class from the target VM.
ClassPrepareEvent	Notification of a class prepare in the target VM.
ClassPrepareRequest	Request for notification when a class is prepared in the target VM.
ClassTree	A tree node for a class, interface, enum, or annotation type declaration.
ClassType	A mirror of a class in the target VM.
ClassUnloadEvent	Notification of a class unload in the target VM.
ClassUnloadRequest	Request for notification when a class is unloaded in the target VM.
ClassValue<T>	Lazily associate a computed value with (potentially) every type.
Cleaner	`Cleaner` manages a set of object references and corresponding cleaning actions.
Cleaner.Cleanable	`Cleanable` represents an object and a cleaning action registered in a `Cleaner`.
ClientInfoStatus	Enumeration for status of the reason that a property could not be set via a call to `Connection.setClientInfo`
Clip	The `Clip` interface represents a special kind of data line whose audio data can be loaded prior to playback, instead of being streamed in real time.
Clipboard	A class that implements a mechanism to transfer data using cut/copy/paste operations.
ClipboardOwner	Defines the interface for classes that will provide data to a clipboard.
Clob	The mapping in the Java™ programming language for the SQL `CLOB` type.
Clock	A clock providing access to the current instant, date and time using a time-zone.
Cloneable	A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
CloneNotSupportedException	Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
Closeable	A `Closeable` is a source or destination of data that can be closed.
ClosedByInterruptException	Checked exception received by a thread when another thread interrupts it while it is blocked in an I/O operation upon a channel.
ClosedChannelException	Checked exception thrown when an attempt is made to invoke or complete an I/O operation upon channel that is closed, or at least closed to that operation.
ClosedConnectionException	This exception may be thrown as a result of an asynchronous close of a `Connection` while an I/O operation is in progress.
ClosedDirectoryStreamException	Unchecked exception thrown when an attempt is made to invoke an operation on a directory stream that is closed.
ClosedFileSystemException	Unchecked exception thrown when an attempt is made to invoke an operation on a file and the file system is closed.
ClosedSelectorException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a closed selector.
ClosedWatchServiceException	Unchecked exception thrown when an attempt is made to invoke an operation on a watch service that is closed.
CMMException	This exception is thrown if the native CMM returns an error.
CoderMalfunctionError	Error thrown when the `decodeLoop` method of a `CharsetDecoder`, or the `encodeLoop` method of a `CharsetEncoder`, throws an unexpected exception.
CoderResult	A description of the result state of a coder.
CodeSigner	This class encapsulates information about a code signer.
CodeSource	This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate chains that were used to verify signed code originating from that location.
CodingErrorAction	A typesafe enumeration for coding-error actions.
CollationElementIterator	The `CollationElementIterator` class is used as an iterator to walk through each character of an international string.
CollationKey	A `CollationKey` represents a `String` under the rules of a specific `Collator` object.
Collator	The `Collator` class performs locale-sensitive `String` comparison.
CollatorProvider	An abstract class for service providers that provide concrete implementations of the `Collator` class.
Collection<E>	The root interface in the collection hierarchy.
CollectionCertStoreParameters	Parameters used as input for the Collection `CertStore` algorithm.
Collections	This class consists exclusively of static methods that operate on or return collections.
Collector<T,A,R>	A mutable reduction operation that accumulates input elements into a mutable result container, optionally transforming the accumulated result into a final representation after all input elements have been processed.
Collector.Characteristics	Characteristics indicating properties of a `Collector`, which can be used to optimize reduction implementations.
Collectors	Implementations of `Collector` that implement various useful reduction operations, such as accumulating elements into collections, summarizing elements according to various criteria, etc.
Color	The `Color` class is used to encapsulate colors in the default sRGB color space or colors in arbitrary color spaces identified by a `ColorSpace`.
ColorChooserComponentFactory	A class designed to produce preconfigured "accessory" objects to insert into color choosers.
ColorChooserUI	Pluggable look and feel interface for JColorChooser.
ColorConvertOp	This class performs a pixel-by-pixel color conversion of the data in the source image.
ColorModel	The `ColorModel` abstract class encapsulates the methods for translating a pixel value to color components (for example, red, green, and blue) and an alpha component.
ColorSelectionModel	A model that supports selecting a `Color`.
ColorSpace	This abstract class is used to serve as a color space tag to identify the specific color space of a `Color` object or, via a `ColorModel` object, of an `Image`, a `BufferedImage`, or a `GraphicsDevice`.
ColorSupported	Class `ColorSupported` is a printing attribute class, an enumeration, that identifies whether the device is capable of any type of color printing at all, including highlight color as well as full process color.
ColorType	A typesafe enumeration of colors that can be fetched from a style.
ColorUIResource	A subclass of Color that implements UIResource.
ComboBoxEditor	The editor component used for JComboBox components.
ComboBoxModel<E>	A data model for a combo box.
ComboBoxUI	Pluggable look and feel interface for JComboBox.
ComboPopup	The interface which defines the methods required for the implementation of the popup portion of a combo box.
CommandAPDU	A command APDU following the structure defined in ISO/IEC 7816-4.
Comment	An interface for comment events
Comment	This interface inherits from `CharacterData` and represents the content of a comment, i.e., all the characters between the starting '`<!--`' and ending '`-->`'.
CommentTree	An embedded HTML comment.
CommonDataSource	Interface that defines the methods which are common between `DataSource`, `XADataSource` and `ConnectionPoolDataSource`.
CommunicationException	This exception is thrown when the client is unable to communicate with the directory or naming service.
CompactNumberFormat	`CompactNumberFormat` is a concrete subclass of `NumberFormat` that formats a decimal number in its compact form.
Comparable<T>	This interface imposes a total ordering on the objects of each class that implements it.
Comparator<T>	A comparison function, which imposes a total ordering on some collection of objects.
Compilable	The optional interface implemented by ScriptEngines whose methods compile scripts to a form that can be executed repeatedly without recompilation.
CompilationMXBean	The management interface for the compilation system of the Java virtual machine.
CompilationUnitTree	Represents the abstract syntax tree for compilation units (source files) and package declarations (package-info.java).
CompilationUnitTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
CompiledScript	Extended by classes that store results of compilations.
Compiler	Deprecated, for removal: This API element is subject to removal in a future version. JIT compilers and their technologies vary too widely to be controlled effectively by a standardized interface.
CompletableFuture<T>	A `Future` that may be explicitly completed (setting its value and status), and may be used as a `CompletionStage`, supporting dependent functions and actions that trigger upon its completion.
CompletableFuture.AsynchronousCompletionTask	A marker interface identifying asynchronous tasks produced by `async` methods.
Completion	A suggested completion for an annotation.
CompletionException	Exception thrown when an error or other exception is encountered in the course of completing a result or task.
CompletionHandler<V,A>	A handler for consuming the result of an asynchronous I/O operation.
Completions	Utility class for assembling `Completion` objects.
CompletionService<V>	A service that decouples the production of new asynchronous tasks from the consumption of the results of completed tasks.
CompletionStage<T>	A stage of a possibly asynchronous computation, that performs an action or computes a value when another CompletionStage completes.
Component	A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user.
Component.BaselineResizeBehavior	Enumeration of the common ways the baseline of a component can change as the size changes.
ComponentAdapter	An abstract adapter class for receiving component events.
ComponentColorModel	A `ColorModel` class that works with pixel values that represent color and alpha information as separate samples and that store each sample in a separate data element.
ComponentEvent	A low-level event which indicates that a component moved, changed size, or changed visibility (also, the root class for the other component-level events).
ComponentInputMap	A `ComponentInputMap` is an `InputMap` associated with a particular `JComponent`.
ComponentInputMapUIResource	A subclass of javax.swing.ComponentInputMap that implements UIResource.
ComponentListener	The listener interface for receiving component events.
ComponentOrientation	The ComponentOrientation class encapsulates the language-sensitive orientation that is to be used to order the elements of a component or of text.
ComponentSampleModel	This class represents image data which is stored such that each sample of a pixel occupies one data element of the DataBuffer.
ComponentUI	The base class for all UI delegate objects in the Swing pluggable look and feel architecture.
ComponentView	Component decorator that implements the view interface.
Composite	The `Composite` interface, along with `CompositeContext`, defines the methods to compose a draw primitive with the underlying graphics area.
CompositeContext	The `CompositeContext` interface defines the encapsulated and optimized environment for a compositing operation.
CompositeData	The `CompositeData` interface specifies the behavior of a specific type of complex open data objects which represent composite data structures.
CompositeDataInvocationHandler	An `InvocationHandler` that forwards getter methods to a `CompositeData`.
CompositeDataSupport	The `CompositeDataSupport` class is the open data class which implements the `CompositeData` interface.
CompositeDataView	A Java class can implement this interface to indicate how it is to be converted into a `CompositeData` by the MXBean framework.
CompositeGuardingDynamicLinker	A `GuardingDynamicLinker` that delegates sequentially to a list of other guarding dynamic linkers in its `CompositeGuardingDynamicLinker.getGuardedInvocation(LinkRequest, LinkerServices)`.
CompositeName	This class represents a composite name -- a sequence of component names spanning multiple namespaces.
CompositeType	The `CompositeType` class is the open type class whose instances describe the types of `CompositeData` values.
CompositeTypeBasedGuardingDynamicLinker	A composite type-based guarding dynamic linker.
CompositeView	`CompositeView` is an abstract `View` implementation which manages one or more child views.
CompoundAssignmentTree	A tree node for compound assignment operator.
CompoundAssignmentTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
CompoundBorder	A composite Border class used to compose two Border objects into a single border by nesting an inside Border object within the insets of an outside Border object.
CompoundControl	A `CompoundControl`, such as a graphic equalizer, provides control over two or more related properties, each of which is itself represented as a `Control`.
CompoundControl.Type	An instance of the `CompoundControl.Type` inner class identifies one kind of compound control.
CompoundEdit	A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
CompoundName	This class represents a compound name -- a name from a hierarchical name space.
Compression	Class `Compression` is a printing attribute class, an enumeration, that specifies how print data is compressed.
ConcurrentHashMap<K,V>	A hash table supporting full concurrency of retrievals and high expected concurrency for updates.
ConcurrentHashMap.KeySetView<K,V>	A view of a ConcurrentHashMap as a `Set` of keys, in which additions may optionally be enabled by mapping to a common value.
ConcurrentLinkedDeque<E>	An unbounded concurrent deque based on linked nodes.
ConcurrentLinkedQueue<E>	An unbounded thread-safe queue based on linked nodes.
ConcurrentMap<K,V>	A `Map` providing thread safety and atomicity guarantees.
ConcurrentModificationException	This exception may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible.
ConcurrentNavigableMap<K,V>	A `ConcurrentMap` supporting `NavigableMap` operations, and recursively so for its navigable sub-maps.
ConcurrentSkipListMap<K,V>	A scalable concurrent `ConcurrentNavigableMap` implementation.
ConcurrentSkipListSet<E>	A scalable concurrent `NavigableSet` implementation based on a `ConcurrentSkipListMap`.
Condition	`Condition` factors out the `Object` monitor methods (`wait`, `notify` and `notifyAll`) into distinct objects to give the effect of having multiple wait-sets per object, by combining them with the use of arbitrary `Lock` implementations.
ConditionalExpressionTree	A tree node for the conditional operator ?
ConditionalExpressionTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ConditionalLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ConfigFile	This class represents a default implementation for `javax.security.auth.login.Configuration`.
Configuration	A configuration that is the result of resolution or resolution with service binding.
Configuration	A Configuration object is responsible for specifying which LoginModules should be used for a particular application, and in what order the LoginModules should be invoked.
Configuration	A collection of settings and metadata describing the configuration.
Configuration.Parameters	This represents a marker interface for Configuration parameters.
ConfigurationException	This exception is thrown when there is a configuration problem.
ConfigurationInfo	Management representation of a `Configuration`.
ConfigurationSpi	This class defines the Service Provider Interface (SPI) for the `Configuration` class.
ConfirmationCallback	Underlying security services instantiate and pass a `ConfirmationCallback` to the `handle` method of a `CallbackHandler` to ask for YES/NO, OK/CANCEL, YES/NO/CANCEL or other similar confirmations.
ConnectException	Signals that an error occurred while attempting to connect a socket to a remote address and port.
ConnectException	A `ConnectException` is thrown if a connection is refused to the remote host for a remote method call.
ConnectIOException	A `ConnectIOException` is thrown if an `IOException` occurs while making a connection to the remote host for a remote method call.
Connection	A connection between a debugger and a target VM which it debugs.
Connection	A connection (session) with a specific database.
ConnectionBuilder	A builder created from a `DataSource` object, used to establish a connection to the database that the `data source` object represents.
ConnectionEvent	An `Event` object that provides information about the source of a connection-related event.
ConnectionEventListener	An object that registers to be notified of events generated by a `PooledConnection` object.
ConnectionPendingException	Unchecked exception thrown when an attempt is made to connect a `SocketChannel` for which a non-blocking connection operation is already in progress.
ConnectionPoolDataSource	A factory for `PooledConnection` objects.
Connector	A method of connection between a debugger and a target VM.
Connector.Argument	Specification for and value of a Connector argument.
Connector.BooleanArgument	Specification for and value of a Connector argument, whose value is Boolean.
Connector.IntegerArgument	Specification for and value of a Connector argument, whose value is an integer.
Connector.SelectedArgument	Specification for and value of a Connector argument, whose value is a String selected from a list of choices.
Connector.StringArgument	Specification for and value of a Connector argument, whose value is a String.
Console	Methods to access the character-based console device, if any, associated with the current Java virtual machine.
ConsoleHandler	This `Handler` publishes log records to `System.err`.
Constable	Represents a type which is constable.
ConstantBootstraps	Bootstrap methods for dynamically-computed constants.
ConstantCallSite	A `ConstantCallSite` is a `CallSite` whose target is permanent, and can never be changed.
ConstantDesc	A nominal descriptor for a loadable constant value, as defined in JVMS 4.4.
ConstantDescs	Predefined values of nominal descriptor for common constants, including descriptors for primitive class types and other common platform types, and descriptors for method handles for standard bootstrap methods.
Constructor<T>	`Constructor` provides information about, and access to, a single constructor for a class.
ConstructorParameters	An annotation on a constructor that shows how the parameters of that constructor correspond to the constructed object's getter methods.
ConstructorProperties	An annotation on a constructor that shows how the parameters of that constructor correspond to the constructed object's getter methods.
Consumer<T>	Represents an operation that accepts a single input argument and returns no result.
Container	A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
ContainerAdapter	An abstract adapter class for receiving container events.
ContainerEvent	A low-level event which indicates that a container's contents changed because a component was added or removed.
ContainerListener	The listener interface for receiving container events.
ContainerOrderFocusTraversalPolicy	A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
ContentHandler	The abstract class `ContentHandler` is the superclass of all classes that read an `Object` from a `URLConnection`.
ContentHandler	Receive notification of the logical content of a document.
ContentHandlerFactory	This interface defines a factory for content handlers.
ContentModel	A representation of a content model.
ContentSigner	Deprecated. This class has been deprecated.
ContentSignerParameters	Deprecated. This class has been deprecated.
ContentType	Meta annotation, specifies that an annotation represents a content type, such as a time span or a frequency.
Context	This interface represents a naming context, which consists of a set of name-to-object bindings.
ContextNotEmptyException	This exception is thrown when attempting to destroy a context that is not empty.
ContextualRenderedImageFactory	ContextualRenderedImageFactory provides an interface for the functionality that may differ between instances of RenderableImageOp.
ContinueTree	A tree node for a `continue` statement.
ContinueTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Control	This interface represents an LDAPv3 control as defined in RFC 2251.
Control	`Lines` often have a set of controls, such as gain and pan, that affect the audio signal passing through the line.
Control.Type	An instance of the `Type` class represents the type of the control.
ControlFactory	This abstract class represents a factory for creating LDAPv3 controls.
ControllerEventListener	The `ControllerEventListener` interface should be implemented by classes whose instances need to be notified when a `Sequencer` has processed a requested type of MIDI control-change event.
ConversionComparator	Optional interface to be implemented by `GuardingTypeConverterFactory` implementers.
ConversionComparator.Comparison	Enumeration of possible outcomes of comparing one conversion to another.
ConvolveOp	This class implements a convolution from the source to the destination.
CookieHandler	A CookieHandler object provides a callback mechanism to hook up a HTTP state management policy implementation into the HTTP protocol handler.
CookieManager	CookieManager provides a concrete implementation of `CookieHandler`, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies.
CookiePolicy	CookiePolicy implementations decide which cookies should be accepted and which should be rejected.
CookieStore	A CookieStore object represents a storage for cookie.
Copies	Class `Copies` is an integer valued printing attribute class that specifies the number of copies to be printed.
CopiesSupported	Class `CopiesSupported` is a printing attribute class, a set of integers, that gives the supported values for a `Copies` attribute.
CopyOnWriteArrayList<E>	A thread-safe variant of `ArrayList` in which all mutative operations (`add`, `set`, and so on) are implemented by making a fresh copy of the underlying array.
CopyOnWriteArraySet<E>	A `Set` that uses an internal `CopyOnWriteArrayList` for all of its operations.
CopyOption	An object that configures how to copy or move a file.
CountDownLatch	A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.
CountedCompleter<T>	A `ForkJoinTask` with a completion action performed when triggered and there are no remaining pending actions.
Counter	The `Counter` interface is used to represent any counter or counters function value.
CounterMonitor	Defines a monitor MBean designed to observe the values of a counter attribute.
CounterMonitorMBean	Exposes the remote management interface of the counter monitor MBean.
CRC32	A class that can be used to compute the CRC-32 of a data stream.
CRC32C	A class that can be used to compute the CRC-32C of a data stream.
CredentialException	A generic credential exception.
CredentialExpiredException	Signals that a `Credential` has expired.
CredentialNotFoundException	Signals that a credential was not found.
CRL	This class is an abstraction of certificate revocation lists (CRLs) that have different formats but important common uses.
CRLException	CRL (Certificate Revocation List) Exception.
CRLReason	The CRLReason enumeration specifies the reason that a certificate is revoked, as defined in RFC 5280: Internet X.509 Public Key Infrastructure Certificate and CRL Profile.
CRLSelector	A selector that defines a set of criteria for selecting `CRL`s.
CropImageFilter	An ImageFilter class for cropping images.
CryptoPrimitive	An enumeration of cryptographic primitives.
CSS	Defines a set of CSS attributes as a typesafe enumeration.
CSS.Attribute	Definitions to be used as a key on AttributeSet's that might hold CSS attributes.
CSS2Properties	The `CSS2Properties` interface represents a convenience mechanism for retrieving and setting properties within a `CSSStyleDeclaration`.
CSSCharsetRule	The `CSSCharsetRule` interface represents a @charset rule in a CSS style sheet.
CSSFontFaceRule	The `CSSFontFaceRule` interface represents a @font-face rule in a CSS style sheet.
CSSImportRule	The `CSSImportRule` interface represents a @import rule within a CSS style sheet.
CSSMediaRule	The `CSSMediaRule` interface represents a @media rule in a CSS style sheet.
CSSPageRule	The `CSSPageRule` interface represents a @page rule within a CSS style sheet.
CSSPrimitiveValue	The `CSSPrimitiveValue` interface represents a single CSS value .
CSSRule	The `CSSRule` interface is the abstract base interface for any type of CSS statement.
CSSRuleList	The `CSSRuleList` interface provides the abstraction of an ordered collection of CSS rules.
CSSStyleDeclaration	The `CSSStyleDeclaration` interface represents a single CSS declaration block.
CSSStyleRule	The `CSSStyleRule` interface represents a single rule set in a CSS style sheet.
CSSStyleSheet	The `CSSStyleSheet` interface is a concrete interface used to represent a CSS style sheet i.e., a style sheet whose content type is "text/css".
CSSUnknownRule	The `CSSUnknownRule` interface represents an at-rule not supported by this user agent.
CSSValue	The `CSSValue` interface represents a simple or a complex value.
CSSValueList	The `CSSValueList` interface provides the abstraction of an ordered collection of CSS values.
CubicCurve2D	The `CubicCurve2D` class defines a cubic parametric curve segment in `(x,y)` coordinate space.
CubicCurve2D.Double	A cubic parametric curve segment specified with `double` coordinates.
CubicCurve2D.Float	A cubic parametric curve segment specified with `float` coordinates.
Currency	Represents a currency.
CurrencyNameProvider	An abstract class for service providers that provide localized currency symbols and display names for the `Currency` class.
Cursor	A class to encapsulate the bitmap representation of the mouse cursor.
Customizer	A customizer class provides a complete custom GUI for customizing a target Java Bean.
CyclicBarrier	A synchronization aid that allows a set of threads to all wait for each other to reach a common barrier point.
Data	An abstract representation of the result of dereferencing a `URIReference` or the input/output of subsequent `Transform`s.
DataAmount	Event field annotation, specifies that a value represents an amount of data (for example, bytes).
DatabaseMetaData	Comprehensive information about the database as a whole.
DataBuffer	This class exists to wrap one or more data arrays.
DataBufferByte	This class extends `DataBuffer` and stores data internally as bytes.
DataBufferDouble	This class extends `DataBuffer` and stores data internally in `double` form.
DataBufferFloat	This class extends `DataBuffer` and stores data internally in `float` form.
DataBufferInt	This class extends `DataBuffer` and stores data internally as integers.
DataBufferShort	This class extends `DataBuffer` and stores data internally as shorts.
DataBufferUShort	This class extends `DataBuffer` and stores data internally as shorts.
DataFlavor	A `DataFlavor` provides meta information about data.
DataFormatException	Signals that a data format error has occurred.
DatagramChannel	A selectable channel for datagram-oriented sockets.
DatagramPacket	This class represents a datagram packet.
DatagramSocket	This class represents a socket for sending and receiving datagram packets.
DatagramSocketImpl	Abstract datagram and multicast socket implementation base class.
DatagramSocketImplFactory	This interface defines a factory for datagram socket implementations.
DataInput	The `DataInput` interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
DataInputStream	A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
DataLine	`DataLine` adds media-related functionality to its superinterface, `Line`.
DataLine.Info	Besides the class information inherited from its superclass, `DataLine.Info` provides additional information specific to data lines.
DataOutput	The `DataOutput` interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
DataOutputStream	A data output stream lets an application write primitive Java data types to an output stream in a portable way.
DataSource	A factory for connections to the physical data source that this `DataSource` object represents.
DataTruncation	An exception thrown as a `DataTruncation` exception (on writes) or reported as a `DataTruncation` warning (on reads) when a data values is unexpectedly truncated for reasons other than its having exceeded `MaxFieldSize`.
DatatypeConfigurationException	Indicates a serious configuration error.
DatatypeConstants	Utility class to contain basic Datatype values as constants.
DatatypeConstants.Field	Type-safe enum class that represents six fields of the `Duration` class.
DatatypeFactory	Factory that creates new `javax.xml.datatype` `Object`s that map XML to/from Java `Object`s.
Date	A thin wrapper around a millisecond value that allows JDBC to identify this as an SQL `DATE` value.
Date	The class `Date` represents a specific instant in time, with millisecond precision.
DateFormat	`DateFormat` is an abstract class for date/time formatting subclasses which formats and parses dates or time in a language-independent manner.
DateFormat.Field	Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `DateFormat.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
DateFormatProvider	An abstract class for service providers that provide concrete implementations of the `DateFormat` class.
DateFormatSymbols	`DateFormatSymbols` is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data.
DateFormatSymbolsProvider	An abstract class for service providers that provide instances of the `DateFormatSymbols` class.
DateFormatter	DateFormatter is an `InternationalFormatter` that does its formatting by way of an instance of `java.text.DateFormat`.
DateTimeAtCompleted	Class `DateTimeAtCompleted` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job completed (or was canceled or aborted).
DateTimeAtCreation	Class `DateTimeAtCreation` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job was created.
DateTimeAtProcessing	Class `DateTimeAtProcessing` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job first began processing.
DateTimeException	Exception used to indicate a problem while calculating a date-time.
DateTimeFormatter	Formatter for printing and parsing date-time objects.
DateTimeFormatterBuilder	Builder to create date-time formatters.
DateTimeParseException	An exception thrown when an error occurs during parsing.
DateTimeSyntax	Class `DateTimeSyntax` is an abstract base class providing the common implementation of all attributes whose value is a date and time.
DayOfWeek	A day-of-week, such as 'Tuesday'.
DebuggerTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
DebugGraphics	Graphics subclass supporting graphics debugging.
DecimalFormat	`DecimalFormat` is a concrete subclass of `NumberFormat` that formats decimal numbers.
DecimalFormatSymbols	This class represents the set of symbols (such as the decimal separator, the grouping separator, and so on) needed by `DecimalFormat` to format numbers.
DecimalFormatSymbolsProvider	An abstract class for service providers that provide instances of the `DecimalFormatSymbols` class.
DecimalStyle	Localized decimal style used in date and time formatting.
DeclarationSnippet	Grouping for all declaration Snippets: variable declarations (`VarSnippet`), method declarations (`MethodSnippet`), and type declarations (`TypeDeclSnippet`).
DeclaredType	Represents a declared type, either a class type or an interface type.
DeclHandler	SAX2 extension handler for DTD declaration events.
DefaultBoundedRangeModel	A generic implementation of BoundedRangeModel.
DefaultButtonModel	The default implementation of a `Button` component's data model.
DefaultCaret	A default implementation of Caret.
DefaultCellEditor	The default editor for table and tree cells.
DefaultColorSelectionModel	A generic implementation of `ColorSelectionModel`.
DefaultComboBoxModel<E>	The default model for combo boxes.
DefaultDesktopManager	This is an implementation of the `DesktopManager`.
DefaultEditorKit	This is the set of things needed by a text component to be a reasonably functioning editor for some type of text document.
DefaultEditorKit.BeepAction	Creates a beep.
DefaultEditorKit.CopyAction	Copies the selected region and place its contents into the system clipboard.
DefaultEditorKit.CutAction	Cuts the selected region and place its contents into the system clipboard.
DefaultEditorKit.DefaultKeyTypedAction	The action that is executed by default if a key typed event is received and there is no keymap entry.
DefaultEditorKit.InsertBreakAction	Places a line/paragraph break into the document.
DefaultEditorKit.InsertContentAction	Places content into the associated document.
DefaultEditorKit.InsertTabAction	Places a tab character into the document.
DefaultEditorKit.PasteAction	Pastes the contents of the system clipboard into the selected region, or before the caret if nothing is selected.
DefaultFocusManager	This class has been obsoleted by the 1.4 focus APIs.
DefaultFocusTraversalPolicy	A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
DefaultFormatter	`DefaultFormatter` formats arbitrary objects.
DefaultFormatterFactory	An implementation of `JFormattedTextField.AbstractFormatterFactory`.
DefaultHandler	Default base class for SAX2 event handlers.
DefaultHandler2	This class extends the SAX2 base handler class to support the SAX2 `LexicalHandler`, `DeclHandler`, and `EntityResolver2` extensions.
DefaultHighlighter	Implements the Highlighter interfaces.
DefaultHighlighter.DefaultHighlightPainter	Simple highlight painter that fills a highlighted area with a solid color.
DefaultInternalObjectFilter	Default implementation for a `DynamicLinkerFactory.setInternalObjectsFilter(MethodHandleTransformer)` that delegates to a pair of filtering method handles.
DefaultKeyboardFocusManager	The default KeyboardFocusManager for AWT applications.
DefaultListCellRenderer	Renders an item in a list.
DefaultListCellRenderer.UIResource	A subclass of DefaultListCellRenderer that implements UIResource.
DefaultListModel<E>	This class loosely implements the `java.util.Vector` API, in that it implements the 1.1.x version of `java.util.Vector`, has no collection class support, and notifies the `ListDataListener`s when changes occur.
DefaultListSelectionModel	Default data model for list selections.
DefaultLoaderRepository	Deprecated. Use `MBeanServer.getClassLoaderRepository()` instead.
DefaultLoaderRepository	Deprecated. Use `MBeanServer.getClassLoaderRepository()` instead.
DefaultMenuLayout	The default layout manager for Popup menus and menubars.
DefaultMetalTheme	A concrete implementation of `MetalTheme` providing the original look of the Java Look and Feel, code-named "Steel".
DefaultMutableTreeNode	A `DefaultMutableTreeNode` is a general-purpose node in a tree data structure.
DefaultPersistenceDelegate	The `DefaultPersistenceDelegate` is a concrete implementation of the abstract `PersistenceDelegate` class and is the delegate used by default for classes about which no information is available.
DefaultRowSorter<M,I>	An implementation of `RowSorter` that provides sorting and filtering around a grid-based data model.
DefaultRowSorter.ModelWrapper<M,I>	`DefaultRowSorter.ModelWrapper` is responsible for providing the data that gets sorted by `DefaultRowSorter`.
DefaultSingleSelectionModel	A generic implementation of SingleSelectionModel.
DefaultStyledDocument	A document that can be marked up with character and paragraph styles in a manner similar to the Rich Text Format.
DefaultStyledDocument.AttributeUndoableEdit	An UndoableEdit used to remember AttributeSet changes to an Element.
DefaultStyledDocument.ElementSpec	Specification for building elements.
DefaultTableCellRenderer	The standard class for rendering (displaying) individual cells in a `JTable`.
DefaultTableCellRenderer.UIResource	A subclass of `DefaultTableCellRenderer` that implements `UIResource`.
DefaultTableColumnModel	The standard column-handler for a `JTable`.
DefaultTableModel	This is an implementation of `TableModel` that uses a `Vector` of `Vectors` to store the cell value objects.
DefaultTextUI	Deprecated.
DefaultTreeCellEditor	A `TreeCellEditor`.
DefaultTreeCellRenderer	Displays an entry in a tree.
DefaultTreeModel	A simple tree data model that uses TreeNodes.
DefaultTreeSelectionModel	Default implementation of TreeSelectionModel.
Deflater	This class provides support for general purpose compression using the popular ZLIB compression library.
DeflaterInputStream	Implements an input stream filter for compressing data in the "deflate" compression format.
DeflaterOutputStream	This class implements an output stream filter for compressing data in the "deflate" compression format.
Delayed	A mix-in style interface for marking objects that should be acted upon after a given delay.
DelayQueue<E extends Delayed>	An unbounded blocking queue of `Delayed` elements, in which an element can only be taken when its delay has expired.
DelegationPermission	This class is used to restrict the usage of the Kerberos delegation model, ie: forwardable and proxiable tickets.
Deprecated	A program element annotated `@Deprecated` is one that programmers are discouraged from using.
DeprecatedTree	A tree node for an @deprecated block tag.
Deque<E>	A linear collection that supports element insertion and removal at both ends.
Description	Annotation that describes an element by using a sentence or two.
Descriptor	Additional metadata for a JMX element.
DescriptorAccess	This interface is used to gain access to descriptors of the Descriptor class which are associated with a JMX component, i.e.
DescriptorKey	Meta-annotation that describes how an annotation element relates to a field in a `Descriptor`.
DescriptorRead	Interface to read the Descriptor of a management interface element such as an MBeanInfo.
DescriptorSupport	This class represents the metadata set for a ModelMBean element.
DESedeKeySpec	This class specifies a DES-EDE ("triple-DES") key.
DesignMode	This interface is intended to be implemented by, or delegated from, instances of java.beans.beancontext.BeanContext, in order to propagate to its nested hierarchy of java.beans.beancontext.BeanContextChild instances, the current "designTime" property.
DESKeySpec	This class specifies a DES key.
Desktop	The `Desktop` class allows interact with various desktop capabilities.
Desktop.Action	Represents an action type.
DesktopIconUI	Pluggable look and feel interface for JDesktopIcon.
DesktopManager	DesktopManager objects are owned by a JDesktopPane object.
DesktopPaneUI	Pluggable look and feel interface for JDesktopPane.
Destination	Class `Destination` is a printing attribute class, a `URI`, that is used to indicate an alternate destination for the spooled printer formatted data.
Destroyable	Objects such as credentials may optionally implement this interface to provide the capability to destroy its contents.
DestroyFailedException	Signals that a `destroy` operation failed.
DGC	The DGC abstraction is used for the server side of the distributed garbage collection algorithm.
DHGenParameterSpec	This class specifies the set of parameters used for generating Diffie-Hellman (system) parameters for use in Diffie-Hellman key agreement.
DHKey	The interface to a Diffie-Hellman key.
DHParameterSpec	This class specifies the set of parameters used with the Diffie-Hellman algorithm, as specified in PKCS #3: Diffie-Hellman Key-Agreement Standard.
DHPrivateKey	The interface to a Diffie-Hellman private key.
DHPrivateKeySpec	This class specifies a Diffie-Hellman private key with its associated parameters.
DHPublicKey	The interface to a Diffie-Hellman public key.
DHPublicKeySpec	This class specifies a Diffie-Hellman public key with its associated parameters.
Diag	Diagnostic information for a Snippet.
Diagnostic<S>	Interface for diagnostics from tools.
Diagnostic	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Diagnostic.Kind	Kinds of diagnostics, for example, error or warning.
Diagnostic.Kind	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
DiagnosticCollector<S>	Provides an easy way to collect diagnostics in a list.
DiagnosticCommandMBean	Management interface for the diagnostic commands for the HotSpot Virtual Machine.
DiagnosticListener<S>	Interface for receiving diagnostics from tools.
DiagnosticListener	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Dialog	A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
Dialog.ModalExclusionType	Any top-level window can be marked not to be blocked by modal dialogs.
Dialog.ModalityType	Modal dialogs block all input to some top-level windows.
DialogOwner	An attribute class used to support requesting a print or page setup dialog be kept displayed on top of all windows or some specific window.
DialogTypeSelection	Class `DialogTypeSelection` is a printing attribute class, an enumeration, that indicates the user dialog type to be used for specifying printing options.
Dictionary<K,V>	The `Dictionary` class is the abstract parent of any class, such as `Hashtable`, which maps keys to values.
DigestException	This is the generic Message Digest exception.
DigestInputStream	A transparent stream that updates the associated message digest using the bits going through the stream.
DigestMethod	A representation of the XML `DigestMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
DigestMethodParameterSpec	A specification of algorithm parameters for a `DigestMethod` algorithm.
DigestOutputStream	A transparent stream that updates the associated message digest using the bits going through the stream.
Dimension	The `Dimension` class encapsulates the width and height of a component (in integer precision) in a single object.
Dimension2D	The `Dimension2D` class is to encapsulate a width and a height dimension.
DimensionUIResource	A subclass of `Dimension` that implements `UIResource`.
DirContext	The directory service interface, containing methods for examining and updating attributes associated with objects, and for searching the directory.
DirectColorModel	The `DirectColorModel` class is a `ColorModel` class that works with pixel values that represent RGB color and alpha information as separate samples and that pack all samples for a single pixel into a single int, short, or byte quantity.
DirectExecutionControl	An `ExecutionControl` implementation that runs in the current process.
DirectiveTree	A super-type for all the directives in a ModuleTree.
DirectMethodHandleDesc	A nominal descriptor for a direct `MethodHandle`.
DirectMethodHandleDesc.Kind	Kinds of method handles that can be described with DirectMethodHandleDesc.
DirectoryIteratorException	Runtime exception thrown if an I/O error is encountered when iterating over the entries in a directory.
DirectoryManager	This class contains methods for supporting `DirContext` implementations.
DirectoryNotEmptyException	Checked exception thrown when a file system operation fails because a directory is not empty.
DirectoryStream<T>	An object to iterate over the entries in a directory.
DirectoryStream.Filter<T>	An interface that is implemented by objects that decide if a directory entry should be accepted or filtered.
DirObjectFactory	This interface represents a factory for creating an object given an object and attributes about the object.
DirStateFactory	This interface represents a factory for obtaining the state of an object and corresponding attributes for binding.
DirStateFactory.Result	An object/attributes pair for returning the result of DirStateFactory.getStateToBind().
DisplayMode	The `DisplayMode` class encapsulates the bit depth, height, width, and refresh rate of a `GraphicsDevice`.
DnDConstants	This class contains constant values representing the type of action(s) to be performed by a Drag and Drop operation.
Doc	Interface `Doc` specifies the interface for an object that supplies one piece of print data for a Print Job.
DocAttribute	Interface `DocAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute denotes a setting for a doc.
DocAttributeSet	Interface `DocAttributeSet` specifies the interface for a set of doc attributes, i.e. printing attributes that implement interface `DocAttribute`.
DocCommentTree	The top level representation of a documentation comment.
DocFlavor	Class `DocFlavor` encapsulates an object that specifies the format in which print data is supplied to a `DocPrintJob`.
DocFlavor.BYTE_ARRAY	Class `DocFlavor.BYTE_ARRAY` provides predefined static constant `DocFlavor` objects for example doc flavors using a byte array (`byte[]`) as the print data representation class.
DocFlavor.CHAR_ARRAY	Class `DocFlavor.CHAR_ARRAY` provides predefined static constant `DocFlavor` objects for example doc flavors using a character array (`char[]`) as the print data representation class.
DocFlavor.INPUT_STREAM	Class `DocFlavor.INPUT_STREAM` provides predefined static constant `DocFlavor` objects for example doc flavors using a byte stream (`java.io.InputStream`) as the print data representation class.
DocFlavor.READER	Class `DocFlavor.READER` provides predefined static constant `DocFlavor` objects for example doc flavors using a character stream (`java.io.Reader`) as the print data representation class.
DocFlavor.SERVICE_FORMATTED	Class `DocFlavor.SERVICE_FORMATTED` provides predefined static constant `DocFlavor` objects for example doc flavors for service formatted print data.
DocFlavor.STRING	Class `DocFlavor.STRING` provides predefined static constant `DocFlavor` objects for example doc flavors using a string (`java.lang.String`) as the print data representation class.
DocFlavor.URL	Class `DocFlavor.URL` provides predefined static constant `DocFlavor` objects.
Doclet	The user doclet must implement this interface, as described in the package description.
Doclet.Option	An encapsulation of option name, aliases, parameters and descriptions as used by the Doclet.
Doclet.Option.Kind	The kind of an option.
DocletEnvironment	Represents the operating environment of a single invocation of the doclet.
DocletEnvironment.ModuleMode
DocPrintJob	This interface represents a print job that can print a specified document with a set of job attributes.
DocRootTree	A tree node for an @docroot inline tag.
DocSourcePositions	Provides methods to obtain the position of a DocTree within a javadoc comment.
DocTree	Common interface for all nodes in a documentation syntax tree.
DocTree.Kind	Enumerates all kinds of trees.
DocTreeFactory	Factory for creating `DocTree` nodes.
DocTreePath	A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level DocCommentTree node.
DocTreePathScanner<R,P>	A DocTreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
DocTrees	Provides access to syntax trees for doc comments.
DocTreeScanner<R,P>	A TreeVisitor that visits all the child tree nodes.
DocTreeVisitor<R,P>	A visitor of trees, in the style of the visitor design pattern.
DocTypeTree	A tree node for a `doctype` declaration.
Document	The `Document` is a container for text that serves as the model for swing text components.
Document	The `Document` interface represents the entire HTML or XML document.
DocumentationTool	Interface to invoke Java™ programming language documentation tools from programs.
DocumentationTool.DocumentationTask	Interface representing a future for a documentation task.
DocumentationTool.Location	Locations specific to `DocumentationTool`.
DocumentBuilder	Defines the API to obtain DOM Document instances from an XML document.
DocumentBuilderFactory	Defines a factory API that enables applications to obtain a parser that produces DOM object trees from XML documents.
DocumentCSS	This interface represents a document with a CSS view.
Documented	If the annotation `@Documented` is present on the declaration of an annotation type A, then any `@A` annotation on an element is considered part of the element's public contract.
DocumentEvent	Interface for document change notifications.
DocumentEvent	The `DocumentEvent` interface provides a mechanism by which the user can create an Event of a type supported by the implementation.
DocumentEvent.ElementChange	Describes changes made to a specific element.
DocumentEvent.EventType	Enumeration for document event types
DocumentFilter	`DocumentFilter`, as the name implies, is a filter for the `Document` mutation methods.
DocumentFilter.FilterBypass	Used as a way to circumvent calling back into the Document to change it.
DocumentFragment	`DocumentFragment` is a "lightweight" or "minimal" `Document` object.
DocumentHandler	Deprecated. This interface has been replaced by the SAX2 `ContentHandler` interface, which includes Namespace support.
DocumentListener	Interface for an observer to register to receive notifications of changes to a text document.
DocumentName	Class `DocumentName` is a printing attribute class, a text attribute, that specifies the name of a document.
DocumentParser	A Parser for HTML Documents (actually, you can specify a DTD, but you should really only use this class with the html dtd in swing).
DocumentRange	See also the Document Object Model (DOM) Level 2 Traversal and Range Specification.
DocumentStyle	The `DocumentStyle` interface provides a mechanism by which the style sheets embedded in a document can be retrieved.
DocumentTraversal	`DocumentTraversal` contains methods that create `NodeIterators` and `TreeWalkers` to traverse a node and its children in document order (depth first, pre-order traversal, which is equivalent to the order in which the start tags occur in the text representation of the document).
DocumentType	Each `Document` has a `doctype` attribute whose value is either `null` or a `DocumentType` object.
DocumentView	The `DocumentView` interface is implemented by `Document` objects in DOM implementations supporting DOM Views.
DomainCombiner	A `DomainCombiner` provides a means to dynamically update the ProtectionDomains associated with the current `AccessControlContext`.
DomainLoadStoreParameter	Configuration data that specifies the keystores in a keystore domain.
DOMConfiguration	The `DOMConfiguration` interface represents the configuration of a document and maintains a table of recognized parameters.
DOMCryptoContext	This class provides a DOM-specific implementation of the `XMLCryptoContext` interface.
DOMError	`DOMError` is an interface that describes an error.
DOMErrorHandler	`DOMErrorHandler` is a callback interface that the DOM implementation can call when reporting errors that happens while processing XML data, or when doing some other processing (e.g. validating a document).
DOMException	DOM operations only raise exceptions in "exceptional" circumstances, i.e., when an operation is impossible to perform (either for logical reasons, because data is lost, or because the implementation has become unstable).
DOMImplementation	The `DOMImplementation` interface provides a number of methods for performing operations that are independent of any particular instance of the document object model.
DOMImplementationCSS	This interface allows the DOM user to create a `CSSStyleSheet` outside the context of a document.
DOMImplementationList	The `DOMImplementationList` interface provides the abstraction of an ordered collection of DOM implementations, without defining or constraining how this collection is implemented.
DOMImplementationLS	`DOMImplementationLS` contains the factory methods for creating Load and Save objects.
DOMImplementationRegistry	A factory that enables applications to obtain instances of `DOMImplementation`.
DOMImplementationSource	This interface permits a DOM implementer to supply one or more implementations, based upon requested features and versions, as specified in DOM Features.
DOMLocator	Indicates the position of a node in a source DOM, intended primarily for error reporting.
DOMLocator	`DOMLocator` is an interface that describes a location (e.g.
DOMResult	Acts as a holder for a transformation result tree in the form of a Document Object Model (DOM) tree.
DOMSignContext	A DOM-specific `XMLSignContext`.
DOMSource	Acts as a holder for a transformation Source tree in the form of a Document Object Model (DOM) tree.
DOMStringList	The `DOMStringList` interface provides the abstraction of an ordered collection of `DOMString` values, without defining or constraining how this collection is implemented.
DOMStructure	A DOM-specific `XMLStructure`.
DOMURIReference	A DOM-specific `URIReference`.
DOMValidateContext	A DOM-specific `XMLValidateContext`.
DosFileAttributes	File attributes associated with a file in a file system that supports legacy "DOS" attributes.
DosFileAttributeView	A file attribute view that provides a view of the legacy "DOS" file attributes.
Double	The `Double` class wraps a value of the primitive type `double` in an object.
DoubleAccumulator	One or more variables that together maintain a running `double` value updated using a supplied function.
DoubleAdder	One or more variables that together maintain an initially zero `double` sum.
DoubleBinaryOperator	Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
DoubleBuffer	A double buffer.
DoubleConsumer	Represents an operation that accepts a single `double`-valued argument and returns no result.
DoubleFunction<R>	Represents a function that accepts a double-valued argument and produces a result.
DoublePredicate	Represents a predicate (boolean-valued function) of one `double`-valued argument.
DoubleStream	A sequence of primitive double-valued elements supporting sequential and parallel aggregate operations.
DoubleStream.Builder	A mutable builder for a `DoubleStream`.
DoubleSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
DoubleSupplier	Represents a supplier of `double`-valued results.
DoubleToIntFunction	Represents a function that accepts a double-valued argument and produces an int-valued result.
DoubleToLongFunction	Represents a function that accepts a double-valued argument and produces a long-valued result.
DoubleType	The type of all primitive double values accessed in the target VM.
DoubleUnaryOperator	Represents an operation on a single `double`-valued operand that produces a `double`-valued result.
DoubleValue	Provides access to a primitive `double` value in the target VM.
DoWhileLoopTree	A tree node for a `do` statement.
DoWhileLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
DragGestureEvent	A `DragGestureEvent` is passed to `DragGestureListener`'s dragGestureRecognized() method when a particular `DragGestureRecognizer` detects that a platform dependent drag initiating gesture has occurred on the `Component` that it is tracking.
DragGestureListener	The listener interface for receiving drag gesture events.
DragGestureRecognizer	The `DragGestureRecognizer` is an abstract base class for the specification of a platform-dependent listener that can be associated with a particular `Component` in order to identify platform-dependent drag initiating gestures.
DragSource	The `DragSource` is the entity responsible for the initiation of the Drag and Drop operation, and may be used in a number of scenarios: 1 default instance per JVM for the lifetime of that JVM.
DragSourceAdapter	An abstract adapter class for receiving drag source events.
DragSourceContext	The `DragSourceContext` class is responsible for managing the initiator side of the Drag and Drop protocol.
DragSourceDragEvent	The `DragSourceDragEvent` is delivered from the `DragSourceContextPeer`, via the `DragSourceContext`, to the `DragSourceListener` registered with that `DragSourceContext` and with its associated `DragSource`.
DragSourceDropEvent	The `DragSourceDropEvent` is delivered from the `DragSourceContextPeer`, via the `DragSourceContext`, to the `dragDropEnd` method of `DragSourceListener`s registered with that `DragSourceContext` and with its associated `DragSource`.
DragSourceEvent	This class is the base class for `DragSourceDragEvent` and `DragSourceDropEvent`.
DragSourceListener	The `DragSourceListener` defines the event interface for originators of Drag and Drop operations to track the state of the user's gesture, and to provide appropriate "drag over" feedback to the user throughout the Drag and Drop operation.
DragSourceMotionListener	A listener interface for receiving mouse motion events during a drag operation.
DrbgParameters	This class specifies the parameters used by a DRBG (Deterministic Random Bit Generator).
DrbgParameters.Capability	The reseedable and prediction resistance capabilities of a DRBG.
DrbgParameters.Instantiation	DRBG parameters for instantiation.
DrbgParameters.NextBytes	DRBG parameters for random bits generation.
DrbgParameters.Reseed	DRBG parameters for reseed.
Driver	The interface that every driver class must implement.
DriverAction	An interface that must be implemented when a Driver wants to be notified by `DriverManager`.
DriverManager	The basic service for managing a set of JDBC drivers.
DriverPropertyInfo	Driver properties for making a connection.
DropMode	Drop modes, used to determine the method by which a component tracks and indicates a drop location during drag and drop.
DropTarget	The `DropTarget` is associated with a `Component` when that `Component` wishes to accept drops during Drag and Drop operations.
DropTarget.DropTargetAutoScroller	this protected nested class implements autoscrolling
DropTargetAdapter	An abstract adapter class for receiving drop target events.
DropTargetContext	A `DropTargetContext` is created whenever the logical cursor associated with a Drag and Drop operation coincides with the visible geometry of a `Component` associated with a `DropTarget`.
DropTargetDragEvent	The `DropTargetDragEvent` is delivered to a `DropTargetListener` via its dragEnter() and dragOver() methods.
DropTargetDropEvent	The `DropTargetDropEvent` is delivered via the `DropTargetListener` drop() method.
DropTargetEvent	The `DropTargetEvent` is the base class for both the `DropTargetDragEvent` and the `DropTargetDropEvent`.
DropTargetListener	The `DropTargetListener` interface is the callback interface used by the `DropTarget` class to provide notification of DnD operations that involve the subject `DropTarget`.
DSAGenParameterSpec	This immutable class specifies the set of parameters used for generating DSA parameters as specified in FIPS 186-3 Digital Signature Standard (DSS).
DSAKey	The interface to a DSA public or private key.
DSAKeyPairGenerator	An interface to an object capable of generating DSA key pairs.
DSAParameterSpec	This class specifies the set of parameters used with the DSA algorithm.
DSAParams	Interface to a DSA-specific set of key parameters, which defines a DSA key family.
DSAPrivateKey	The standard interface to a DSA private key.
DSAPrivateKeySpec	This class specifies a DSA private key with its associated parameters.
DSAPublicKey	The interface to a DSA public key.
DSAPublicKeySpec	This class specifies a DSA public key with its associated parameters.
DTD	The representation of an SGML DTD.
DTD	This is the top level interface for events dealing with DTDs
DTDConstants	SGML constants used in a DTD.
DTDHandler	Receive notification of basic DTD-related events.
DuplicateFormatFlagsException	Unchecked exception thrown when duplicate flags are provided in the format specifier.
DuplicateRequestException	Thrown to indicate a duplicate event request.
Duration	A time-based amount of time, such as '34.5 seconds'.
Duration	Immutable representation of a time span as defined in the W3C XML Schema 1.0 specification.
DynamicCallSiteDesc	A nominal descriptor for an `invokedynamic` call site.
DynamicConstantDesc<T>	A nominal descriptor for a dynamic constant (one described in the constant pool with `Constant_Dynamic_info`.)
DynamicLinker	The linker for `RelinkableCallSite` objects.
DynamicLinkerFactory	A factory class for creating `DynamicLinker` objects.
DynamicMBean	Defines the methods that should be implemented by a Dynamic MBean (MBean that exposes a dynamic management interface).
ECField	This interface represents an elliptic curve (EC) finite field.
ECFieldF2m	This immutable class defines an elliptic curve (EC) characteristic 2 finite field.
ECFieldFp	This immutable class defines an elliptic curve (EC) prime finite field.
ECGenParameterSpec	This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters.
ECKey	The interface to an elliptic curve (EC) key.
ECParameterSpec	This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC).
ECPoint	This immutable class represents a point on an elliptic curve (EC) in affine coordinates.
ECPrivateKey	The interface to an elliptic curve (EC) private key.
ECPrivateKeySpec	This immutable class specifies an elliptic curve private key with its associated parameters.
ECPublicKey	The interface to an elliptic curve (EC) public key.
ECPublicKeySpec	This immutable class specifies an elliptic curve public key with its associated parameters.
EditorKit	Establishes the set of things needed by a text component to be a reasonably functioning editor for some type of text content.
Element	Represents a program element such as a module, package, class, or method.
Element	Interface to describe a structural piece of a document.
Element	An element as described in a DTD using the ELEMENT construct.
Element	The `Element` interface represents an element in an HTML or XML document.
ElementCSSInlineStyle	Inline style information attached to elements is exposed through the `style` attribute.
ElementFilter	Filters for selecting just the elements of interest from a collection of elements.
ElementIterator	`ElementIterator`, as the name suggests, iterates over the `Element` tree.
ElementKind	The `kind` of an element.
ElementKindVisitor6<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_6` source version.
ElementKindVisitor7<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_7` source version.
ElementKindVisitor8<R,P>	A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_8` source version.
ElementKindVisitor9<R,P>	A visitor of program elements based on their kind with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
Elements	Utility methods for operating on program elements.
Elements.Origin	The origin of an element or other language model item.
ElementScanner6<R,P>	A scanning visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
ElementScanner7<R,P>	A scanning visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
ElementScanner8<R,P>	A scanning visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
ElementScanner9<R,P>	A scanning visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
ElementTraversal	The `ElementTraversal` interface is a set of read-only attributes which allow an author to easily navigate between elements in a document.
ElementType	The constants of this enumerated type provide a simple classification of the syntactic locations where annotations may appear in a Java program.
ElementVisitor<R,P>	A visitor of program elements, in the style of the visitor design pattern.
Ellipse2D	The `Ellipse2D` class describes an ellipse that is defined by a framing rectangle.
Ellipse2D.Double	The `Double` class defines an ellipse specified in `double` precision.
Ellipse2D.Float	The `Float` class defines an ellipse specified in `float` precision.
EllipticCurve	This immutable class holds the necessary values needed to represent an elliptic curve.
EmptyBorder	A class which provides an empty, transparent border which takes up space but does no drawing.
EmptyStackException	Thrown by methods in the `Stack` class to indicate that the stack is empty.
EmptyStatementTree	A tree node for an empty (skip) statement.
EmptyStatementTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Enabled	Event annotation, determines if an event should be enabled by default.
EncodedKeySpec	This class represents a public or private key in encoded format.
Encoder	An `Encoder` is a class which can be used to create files or streams that encode the state of a collection of JavaBeans in terms of their public APIs.
EncryptedPrivateKeyInfo	This class implements the `EncryptedPrivateKeyInfo` type as defined in PKCS #8.
EncryptionKey	This class encapsulates an EncryptionKey used in Kerberos.
EndDocument	A marker interface for the end of the document
EndElement	An interface for the end element event.
EndElementTree	A tree node for the end of an HTML element.
EnhancedForLoopTree	A tree node for an "enhanced" `for` loop statement.
Entity	An entity is described in a DTD using the ENTITY construct.
Entity	This interface represents a known entity, either parsed or unparsed, in an XML document.
EntityDeclaration	An interface for handling Entity Declarations This interface is used to record and report unparsed entity declarations.
EntityReference	An interface for handling Entity events.
EntityReference	`EntityReference` nodes may be used to represent an entity reference in the tree.
EntityResolver	Basic interface for resolving entities.
EntityResolver2	Extended interface for mapping external entity references to input sources, or providing a missing external subset.
EntityTree	A tree node for an HTML entity.
Enum<E extends Enum<E>>	This is the common base class of all Java language enumeration types.
Enum.EnumDesc<E extends Enum<E>>	A nominal descriptor for an `enum` constant.
EnumConstantNotPresentException	Thrown when an application tries to access an enum constant by name and the enum type contains no constant with the specified name.
EnumControl	An `EnumControl` provides control over a set of discrete possible values, each represented by an object.
EnumControl.Type	An instance of the `EnumControl.Type` inner class identifies one kind of enumerated control.
Enumeration<E>	An object that implements the Enumeration interface generates a series of elements, one at a time.
EnumMap<K extends Enum<K>,V>	A specialized `Map` implementation for use with enum type keys.
EnumSet<E extends Enum<E>>	A specialized `Set` implementation for use with enum types.
EnumSyntax	Class `EnumSyntax` is an abstract base class providing the common implementation of all "type safe enumeration" objects.
EOFException	Signals that an end of file or end of stream has been reached unexpectedly during input.
Era	An era of the time-line.
ErroneousSnippet	A snippet of code that is not valid Java programming language code.
ErroneousTree	A tree node to stand in for a malformed text
ErroneousTree	A tree node to stand in for a malformed expression.
ErroneousTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Error	An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
ErrorHandler	Basic interface for SAX error handlers.
ErrorListener	To provide customized error handling, implement this interface and use the `setErrorListener` method to register an instance of the implementation with the `Transformer`.
ErrorManager	ErrorManager objects can be attached to Handlers to process any error that occurs on a Handler during Logging.
ErrorType	Represents a class or interface type that cannot be properly modeled.
EtchedBorder	A class which implements a simple etched border which can either be etched-in or etched-out.
EvalException	Wraps an throwable thrown in the executing client.
Event	An occurrence in a target VM that is of interest to a debugger.
Event	Deprecated. It is recommended that `AWTEvent` and its subclasses be used instead
Event	Base class for events, to be subclassed in order to define events and their fields.
Event	The `Event` interface is used to provide contextual information about an event to the handler processing the event.
EventContext	Contains methods for registering/deregistering listeners to be notified of events fired when objects named in a context changes.
EventDirContext	Contains methods for registering listeners to be notified of events fired when objects named in a directory context changes.
EventException	Event operations may throw an `EventException` as specified in their method descriptions.
EventFactory	Class for defining an event at runtime.
EventFilter	This interface declares a simple filter interface that one can create to filter XMLEventReaders
EventHandler	The `EventHandler` class provides support for dynamically generating event listeners whose methods execute a simple statement involving an incoming event object and a target object.
EventID	EventID contains integer constants that map to event support in AWT and Swing.
EventIterator	EventIterators are unmodifiable.
EventListener	A tagging interface that all event listener interfaces must extend.
EventListener	The `EventListener` interface is the primary method for handling events.
EventListenerList	A class that holds a list of EventListeners.
EventListenerProxy<T extends EventListener>	An abstract wrapper class for an `EventListener` class which associates a set of additional parameters with the listener.
EventObject	The root class from which all event state objects shall be derived.
EventQueue	Manager of incoming debugger events for a target VM.
EventQueue	`EventQueue` is a platform-independent class that queues events, both from the underlying peer classes and from trusted application classes.
EventQueueMonitor	The `EventQueueMonitor` class provides key core functionality for Assistive Technologies (and other system-level technologies that need some of the same things that Assistive Technology needs).
EventReaderDelegate	This is the base class for deriving an XMLEventReader filter.
EventRequest	Represents a request for notification of an event.
EventRequestManager	Manages the creation and deletion of `EventRequest`s.
EventSet	Several `Event` objects may be created at a given time by the target `VirtualMachine`.
EventSetDescriptor	An EventSetDescriptor describes a group of events that a given Java bean fires.
EventSettings	Convenience class for applying event settings to a recording.
EventTarget	The `EventTarget` interface is implemented by all `Nodes` in an implementation which supports the DOM Event Model.
EventType	Describes an event, its fields, settings and annotations.
EventTypeInfo	Management representation of an `EventType`.
ExcC14NParameterSpec	Parameters for the W3C Recommendation: Exclusive XML Canonicalization (C14N) algorithm.
Exception	The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
ExceptionEvent	Notification of an exception in the target VM.
ExceptionInInitializerError	Signals that an unexpected exception has occurred in a static initializer.
ExceptionListener	An ExceptionListener is notified of internal exceptions.
ExceptionRequest	Request for notification when an exception occurs in the target VM.
Exchanger<V>	A synchronization point at which threads can pair and swap elements within pairs.
Executable	A shared superclass for the common functionality of `Method` and `Constructor`.
ExecutableElement	Represents a method, constructor, or initializer (static or instance) of a class or interface, including annotation type elements.
ExecutableType	Represents the type of an executable.
ExecutionControl	This interface specifies the functionality that must provided to implement a pluggable JShell execution engine.
ExecutionControl.ClassBytecodes	Bundles class name with class bytecodes.
ExecutionControl.ClassInstallException	A class install (load or redefine) encountered a problem.
ExecutionControl.EngineTerminationException	Unbidden execution engine termination has occurred.
ExecutionControl.ExecutionControlException	The abstract base of all `ExecutionControl` exceptions.
ExecutionControl.InternalException	An internal problem has occurred.
ExecutionControl.NotImplementedException	The command is not implemented.
ExecutionControl.ResolutionException	An exception indicating that a `DeclarationSnippet` with unresolved references has been encountered.
ExecutionControl.RunException	The abstract base of of exceptions specific to running user code.
ExecutionControl.StoppedException	An exception indicating that an `ExecutionControl.invoke(java.lang.String, java.lang.String)` (or theoretically a `ExecutionControl.varValue(java.lang.String, java.lang.String)`) has been interrupted by a `ExecutionControl.stop()`.
ExecutionControl.UserException	A 'normal' user exception occurred.
ExecutionControlProvider	The provider used by JShell to generate the execution engine needed to evaluate Snippets.
ExecutionEnv	Functionality made available to a pluggable JShell execution engine.
ExecutionException	Exception thrown when attempting to retrieve the result of a task that aborted by throwing an exception.
Executor	An object that executes submitted `Runnable` tasks.
ExecutorCompletionService<V>	A `CompletionService` that uses a supplied `Executor` to execute tasks.
Executors	Factory and utility methods for `Executor`, `ExecutorService`, `ScheduledExecutorService`, `ThreadFactory`, and `Callable` classes defined in this package.
ExecutorService	An `Executor` that provides methods to manage termination and methods that can produce a `Future` for tracking progress of one or more asynchronous tasks.
ExemptionMechanism	This class provides the functionality of an exemption mechanism, examples of which are key recovery, key weakening, and key escrow.
ExemptionMechanismException	This is the generic ExemptionMechanism exception.
ExemptionMechanismSpi	This class defines the Service Provider Interface (SPI) for the `ExemptionMechanism` class.
ExifGPSTagSet	A class representing the tags found in an Exif GPS Info IFD.
ExifInteroperabilityTagSet	A class representing the tags found in an Exif Interoperability IFD.
ExifParentTIFFTagSet	A class containing the TIFF tags used to reference the Exif and GPS IFDs.
ExifTIFFTagSet	A class representing the tags found in an Exif IFD.
ExpandVetoException	Exception used to stop an expand/collapse from happening.
Experimental	Annotation that specifies that an element is experimental and may change without notice.
ExportEntryTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ExportException	An `ExportException` is a `RemoteException` thrown if an attempt to export a remote object fails.
ExportsTree	A tree node for an 'exports' directive in a module declaration.
Expression	An `Expression` object represents a primitive expression in which a single method is applied to a target and a set of arguments to return a result - as in `"a.getFoo()"`.
ExpressionSnippet	Snippet for an assignment or variable-value expression.
ExpressionStatementTree	A tree node for an expression statement.
ExpressionStatementTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ExpressionTree	A tree node used as the base class for the different types of expressions.
ExpressionTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ExtendedGSSContext	The extended GSSContext interface for supporting additional functionalities not defined by `org.ietf.jgss.GSSContext`, such as querying context-specific attributes.
ExtendedGSSCredential	The extended GSSCredential interface for supporting additional functionalities not defined by `org.ietf.jgss.GSSCredential`.
ExtendedRequest	This interface represents an LDAPv3 extended operation request as defined in RFC 2251.
ExtendedResponse	This interface represents an LDAP extended operation response as defined in RFC 2251.
ExtendedSocketOptions	Defines extended socket options, beyond those defined in `StandardSocketOptions`.
ExtendedSSLSession	Extends the `SSLSession` interface to support additional session attributes.
Extension	This interface represents an X.509 extension.
Externalizable	Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
FactoryConfigurationError	Thrown when a problem with configuration with the Parser Factories exists.
FactoryConfigurationError	An error class for reporting factory configuration errors.
FailedLoginException	Signals that user authentication failed.
FailOverExecutionControlProvider	Tries other providers in sequence until one works.
FaxTIFFTagSet	A class representing the extra tags found in a TIFF-F (RFC 2036) file.
FeatureDescriptor	The FeatureDescriptor class is the common baseclass for PropertyDescriptor, EventSetDescriptor, and MethodDescriptor, etc.
Fidelity	Class `Fidelity` is a printing attribute class, an enumeration, that indicates whether total fidelity to client supplied print request attributes is required.
Field	A class or instance variable in the target VM.
Field	A `Field` provides information about, and dynamic access to, a single field of a class or an interface.
FieldPosition	`FieldPosition` is a simple class used by `Format` and its subclasses to identify fields in formatted output.
FieldView	Extends the multi-line plain text view to be suitable for a single-line editor view.
File	An abstract representation of file and directory pathnames.
FileAlreadyExistsException	Checked exception thrown when an attempt is made to create a file or directory and a file of that name already exists.
FileAttribute<T>	An object that encapsulates the value of a file attribute that can be set atomically when creating a new file or directory by invoking the `createFile` or `createDirectory` methods.
FileAttributeView	An attribute view that is a read-only or updatable view of non-opaque values associated with a file in a filesystem.
FileCacheImageInputStream	An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
FileCacheImageOutputStream	An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.
FileChannel	A channel for reading, writing, mapping, and manipulating a file.
FileChannel.MapMode	A file-mapping mode.
FileChooserUI	Pluggable look and feel interface for `JFileChooser`.
FileDescriptor	Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
FileDialog	The `FileDialog` class displays a dialog window from which the user can select a file.
FileFilter	A filter for abstract pathnames.
FileFilter	`FileFilter` is an abstract class used by `JFileChooser` for filtering the set of files shown to the user.
FileHandler	Simple file logging `Handler`.
FileImageInputStream	An implementation of `ImageInputStream` that gets its input from a `File` or `RandomAccessFile`.
FileImageOutputStream	An implementation of `ImageOutputStream` that writes its output directly to a `File` or `RandomAccessFile`.
FileInputStream	A `FileInputStream` obtains input bytes from a file in a file system.
FileLock	A token representing a lock on a region of a file.
FileLockInterruptionException	Checked exception received by a thread when another thread interrupts it while it is waiting to acquire a file lock.
FileNameExtensionFilter	An implementation of `FileFilter` that filters using a specified set of extensions.
FilenameFilter	Instances of classes that implement this interface are used to filter filenames.
FileNameMap	A simple interface which provides a mechanism to map between a file name and a MIME type string.
FileNotFoundException	Signals that an attempt to open the file denoted by a specified pathname has failed.
FileObject	File abstraction for tools.
FileOutputStream	A file output stream is an output stream for writing data to a `File` or to a `FileDescriptor`.
FileOwnerAttributeView	A file attribute view that supports reading or updating the owner of a file.
FilePermission	This class represents access to a file or directory.
Filer	This interface supports the creation of new files by an annotation processor.
FileReader	Reads text from character files using a default buffer size.
FilerException	Indicates a `Filer` detected an attempt to open a file that would violate the guarantees provided by the `Filer`.
Files	This class consists exclusively of static methods that operate on files, directories, or other types of files.
FilesEvent	Auxiliary event containing a list of files.
FileStore	Storage for files.
FileStoreAttributeView	An attribute view that is a read-only or updatable view of the attributes of a `FileStore`.
FileSystem	Provides an interface to a file system and is the factory for objects to access files and other objects in the file system.
FileSystemAlreadyExistsException	Runtime exception thrown when an attempt is made to create a file system that already exists.
FileSystemException	Thrown when a file system operation fails on one or two files.
FileSystemLoopException	Checked exception thrown when a file system loop, or cycle, is encountered.
FileSystemNotFoundException	Runtime exception thrown when a file system cannot be found.
FileSystemProvider	Service-provider class for file systems.
FileSystems	Factory methods for file systems.
FileSystemView	FileSystemView is JFileChooser's gateway to the file system.
FileTime	Represents the value of a file's time stamp attribute.
FileTypeDetector	A file type detector for probing a file to guess its file type.
FileView	`FileView` defines an abstract class that can be implemented to provide the filechooser with UI information for a `File`.
FileVisitOption	Defines the file tree traversal options.
FileVisitor<T>	A visitor of files.
FileVisitResult	The result type of a `FileVisitor`.
FileWriter	Writes text to character files using a default buffer size.
Filter	A filter used to pre- and post-process incoming requests.
Filter	A Filter can be used to provide fine grain control over what is logged, beyond the control provided by log levels.
Filter.Chain	a chain of filters associated with a HttpServer.
FilteredImageSource	This class is an implementation of the ImageProducer interface which takes an existing image and a filter object and uses them to produce image data for a new filtered version of the original image.
FilteredRowSet	The standard interface that all standard implementations of `FilteredRowSet` must implement.
FilterInputStream	A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
FilterOutputStream	This class is the superclass of all classes that filter output streams.
FilterReader	Abstract class for reading filtered character streams.
FilterWriter	Abstract class for writing filtered character streams.
FindException	Thrown by a `ModuleFinder` when an error occurs finding a module.
Finishings	Class `Finishings` is a printing attribute class, an enumeration, that identifies whether the printer applies a finishing operation of some kind of binding to each copy of each printed document in the job.
FixedHeightLayoutCache	NOTE: This will become more open in a future release.
FlatteningPathIterator	The `FlatteningPathIterator` class returns a flattened view of another `PathIterator` object.
FlavorEvent	`FlavorEvent` is used to notify interested parties that available `DataFlavor`s have changed in the `Clipboard` (the event source).
FlavorException	Interface `FlavorException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving a doc flavor or flavors (class `DocFlavor`).
FlavorListener	Defines an object which listens for `FlavorEvent`s.
FlavorMap	A two-way Map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
FlavorTable	A FlavorMap which relaxes the traditional 1-to-1 restriction of a Map.
FlightRecorder	Class for accessing, controlling, and managing Flight Recorder.
FlightRecorderListener	Callback interface to monitor Flight Recorder's life cycle.
FlightRecorderMXBean	Management interface for controlling Flight Recorder.
FlightRecorderPermission	Permission for controlling access to Flight Recorder.
Float	The `Float` class wraps a value of primitive type `float` in an object.
FloatBuffer	A float buffer.
FloatControl	A `FloatControl` object provides control over a range of floating-point values.
FloatControl.Type	An instance of the `FloatControl.Type` inner class identifies one kind of float control.
FloatType	The type of all primitive float values accessed in the target VM.
FloatValue	Provides access to a primitive `float` value in the target VM.
Flow	Interrelated interfaces and static methods for establishing flow-controlled components in which `Publishers` produce items consumed by one or more `Subscribers`, each managed by a `Subscription`.
Flow.Processor<T,R>	A component that acts as both a Subscriber and Publisher.
Flow.Publisher<T>	A producer of items (and related control messages) received by Subscribers.
Flow.Subscriber<T>	A receiver of messages.
Flow.Subscription	Message control linking a `Flow.Publisher` and `Flow.Subscriber`.
FlowLayout	A flow layout arranges components in a directional flow, much like lines of text in a paragraph.
FlowView	A View that tries to flow it's children into some partially constrained space.
FlowView.FlowStrategy	Strategy for maintaining the physical form of the flow.
Flushable	A `Flushable` is a destination of data that can be flushed.
FocusAdapter	An abstract adapter class for receiving keyboard focus events.
FocusEvent	A low-level event which indicates that a Component has gained or lost the input focus.
FocusEvent.Cause	This enum represents the cause of a `FocusEvent`- the reason why it occurred.
FocusListener	The listener interface for receiving keyboard focus events on a component.
FocusManager	This class has been obsoleted by the 1.4 focus APIs.
FocusTraversalPolicy	A FocusTraversalPolicy defines the order in which Components with a particular focus cycle root are traversed.
Font	The `Font` class represents fonts, which are used to render text in a visible way.
FontFormatException	Thrown by method createFont in the `Font` class to indicate that the specified font is bad.
FontMetrics	The `FontMetrics` class defines a font metrics object, which encapsulates information about the rendering of a particular font on a particular screen.
FontRenderContext	The `FontRenderContext` class is a container for the information needed to correctly measure text.
FontUIResource	A subclass of java.awt.Font that implements UIResource.
ForInLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ForkJoinPool	An `ExecutorService` for running `ForkJoinTask`s.
ForkJoinPool.ForkJoinWorkerThreadFactory	Factory for creating new `ForkJoinWorkerThread`s.
ForkJoinPool.ManagedBlocker	Interface for extending managed parallelism for tasks running in `ForkJoinPool`s.
ForkJoinTask<V>	Abstract base class for tasks that run within a `ForkJoinPool`.
ForkJoinWorkerThread	A thread managed by a `ForkJoinPool`, which executes `ForkJoinTask`s.
ForLoopTree	A tree node for a basic `for` loop statement.
ForLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Format	`Format` is an abstract base class for formatting locale-sensitive information such as dates, messages, and numbers.
Format.Field	Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `Format.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
FormatConversionProvider	A format conversion provider provides format conversion services from one or more input formats to one or more output formats.
FormatFlagsConversionMismatchException	Unchecked exception thrown when a conversion and flag are incompatible.
FormatStyle	Enumeration of the style of a localized date, time or date-time formatter.
Formattable	The `Formattable` interface must be implemented by any class that needs to perform custom formatting using the `'s'` conversion specifier of `Formatter`.
FormattableFlags	FormattableFlags are passed to the `Formattable.formatTo()` method and modify the output format for Formattables.
Formatter	An interpreter for printf-style format strings.
Formatter	A Formatter provides support for formatting LogRecords.
Formatter.BigDecimalLayoutForm	Enum for `BigDecimal` formatting.
FormatterClosedException	Unchecked exception thrown when the formatter has been closed.
FormSubmitEvent	FormSubmitEvent is used to notify interested parties that a form was submitted.
FormSubmitEvent.MethodType	Represents an HTML form method type.
FormView	Component decorator that implements the view interface for form elements, <input>, <textarea>, and <select>.
ForOfLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ForwardingFileObject<F extends FileObject>	Forwards calls to a given file object.
ForwardingJavaFileManager<M extends JavaFileManager>	Forwards calls to a given file manager.
ForwardingJavaFileObject<F extends JavaFileObject>	Forwards calls to a given file object.
Frame	A `Frame` is a top-level window with a title and a border.
Frequency	Event field annotation, specifies that the value is a frequency, measured in Hz.
Function<T,R>	Represents a function that accepts one argument and produces a result.
FunctionalInterface	An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
FunctionCallTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
FunctionDeclarationTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
FunctionExpressionTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Future<V>	A `Future` represents the result of an asynchronous computation.
FutureTask<V>	A cancellable asynchronous computation.
GapContent	An implementation of the AbstractDocument.Content interface implemented using a gapped buffer similar to that used by emacs.
GarbageCollectionNotificationInfo	The information about a garbage collection
GarbageCollectorMXBean	Platform-specific management interface for a garbage collector which performs collections in cycles.
GarbageCollectorMXBean	The management interface for the garbage collection of the Java virtual machine.
GatheringByteChannel	A channel that can write bytes from a sequence of buffers.
GaugeMonitor	Defines a monitor MBean designed to observe the values of a gauge attribute.
GaugeMonitorMBean	Exposes the remote management interface of the gauge monitor MBean.
GcInfo	Garbage collection information.
GCMParameterSpec	Specifies the set of parameters required by a `Cipher` using the Galois/Counter Mode (GCM) mode.
GeneralPath	The `GeneralPath` class represents a geometric path constructed from straight lines, and quadratic and cubic (Bézier) curves.
GeneralSecurityException	The `GeneralSecurityException` class is a generic security exception class that provides type safety for all the security-related exception classes that extend from it.
Generated	The Generated annotation is used to mark source code that has been generated.
GenericArrayType	`GenericArrayType` represents an array type whose component type is either a parameterized type or a type variable.
GenericDeclaration	A common interface for all entities that declare type variables.
GenericSignatureFormatError	Thrown when a syntactically malformed signature attribute is encountered by a reflective method that needs to interpret the generic signature information for a type, method or constructor.
GeoTIFFTagSet	A class representing the tags found in a GeoTIFF IFD.
GlyphJustificationInfo	The `GlyphJustificationInfo` class represents information about the justification properties of a glyph.
GlyphMetrics	The `GlyphMetrics` class represents information for a single glyph.
GlyphVector	A `GlyphVector` object is a collection of glyphs containing geometric information for the placement of each glyph in a transformed coordinate space which corresponds to the device on which the `GlyphVector` is ultimately displayed.
GlyphView	A GlyphView is a styled chunk of text that represents a view mapped over an element in the text model.
GlyphView.GlyphPainter	A class to perform rendering of the glyphs.
GotoTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
GradientPaint	The `GradientPaint` class provides a way to fill a `Shape` with a linear color gradient pattern.
GraphicAttribute	This class is used with the CHAR_REPLACEMENT attribute.
Graphics	The `Graphics` class is the abstract base class for all graphics contexts that allow an application to draw onto components that are realized on various devices, as well as onto off-screen images.
Graphics2D	This `Graphics2D` class extends the `Graphics` class to provide more sophisticated control over geometry, coordinate transformations, color management, and text layout.
GraphicsConfigTemplate	The `GraphicsConfigTemplate` class is used to obtain a valid `GraphicsConfiguration`.
GraphicsConfiguration	The `GraphicsConfiguration` class describes the characteristics of a graphics destination such as a printer or monitor.
GraphicsDevice	The `GraphicsDevice` class describes the graphics devices that might be available in a particular graphics environment.
GraphicsDevice.WindowTranslucency	Kinds of translucency supported by the underlying system.
GraphicsEnvironment	The `GraphicsEnvironment` class describes the collection of `GraphicsDevice` objects and `Font` objects available to a Java(tm) application on a particular platform.
GrayFilter	An image filter that "disables" an image by turning it into a grayscale image, and brightening the pixels in the image.
GregorianCalendar	`GregorianCalendar` is a concrete subclass of `Calendar` and provides the standard calendar system used by most of the world.
GridBagConstraints	The `GridBagConstraints` class specifies constraints for components that are laid out using the `GridBagLayout` class.
GridBagLayout	The `GridBagLayout` class is a flexible layout manager that aligns components vertically, horizontally or along their baseline without requiring that the components be of the same size.
GridBagLayoutInfo	The `GridBagLayoutInfo` is an utility class for `GridBagLayout` layout manager.
GridLayout	The `GridLayout` class is a layout manager that lays out a container's components in a rectangular grid.
Group	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
GroupLayout	`GroupLayout` is a `LayoutManager` that hierarchically groups components in order to position them in a `Container`.
GroupLayout.Alignment	Enumeration of the possible ways `ParallelGroup` can align its children.
GroupPrincipal	A `UserPrincipal` representing a group identity, used to determine access rights to objects in a file system.
GSSContext	This interface encapsulates the GSS-API security context and provides the security services that are available over the context.
GSSCredential	This interface encapsulates the GSS-API credentials for an entity.
GSSException	This exception is thrown whenever a GSS-API error occurs, including any mechanism specific error.
GSSManager	This class serves as a factory for other important GSS-API classes and also provides information about the mechanisms that are supported.
GSSName	This interface encapsulates a single GSS-API principal entity.
GSSUtil	GSS-API Utilities for using in conjunction with Sun Microsystem's implementation of Java GSS-API.
Guard	This interface represents a guard, which is an object that is used to protect access to another object.
GuardedInvocation	Represents a conditionally valid method handle.
GuardedInvocationTransformer	Interface for objects that are used to transform one guarded invocation into another one.
GuardedObject	A GuardedObject is an object that is used to protect access to another object.
GuardingDynamicLinker	The base interface for language-specific dynamic linkers.
GuardingDynamicLinkerExporter	A class acting as a supplier of guarding dynamic linkers that can be automatically loaded by other language runtimes.
GuardingTypeConverterFactory	Optional interface that can be implemented by `GuardingDynamicLinker` implementations to provide language-specific type conversion capabilities.
Guards	Utility methods for creating typical guards for `MethodHandles.guardWithTest(MethodHandle, MethodHandle, MethodHandle)` and for adjusting their method types.
GUIInitializedListener	The `GUIInitializedListener` interface is used by the `EventQueueMonitor` class to notify an interested party when the GUI subsystem has been initialized.
GZIPInputStream	This class implements a stream filter for reading compressed data in the GZIP file format.
GZIPOutputStream	This class implements a stream filter for writing compressed data in the GZIP file format.
Handler	A `Handler` object takes log messages from a `Logger` and exports them.
HandlerBase	Deprecated. This class works with the deprecated `DocumentHandler` interface.
HandlerResult	Defines notification handler results.
HandshakeCompletedEvent	This event indicates that an SSL handshake completed on a given SSL connection.
HandshakeCompletedListener	This interface is implemented by any class which wants to receive notifications about the completion of an SSL protocol handshake on a given SSL connection.
HasControls	This interface is for returning controls with objects returned in NamingEnumerations.
HashAttributeSet	Class `HashAttributeSet` provides an `AttributeSet` implementation with characteristics of a hash map.
HashDocAttributeSet	Class `HashDocAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `DocAttributeSet`.
HashMap<K,V>	Hash table based implementation of the `Map` interface.
HashPrintJobAttributeSet	Class `HashPrintJobAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintJobAttributeSet`.
HashPrintRequestAttributeSet	Class `HashPrintRequestAttributeSet` inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintRequestAttributeSet`.
HashPrintServiceAttributeSet	Class `HashPrintServiceAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintServiceAttributeSet`.
HashSet<E>	This class implements the `Set` interface, backed by a hash table (actually a `HashMap` instance).
Hashtable<K,V>	This class implements a hash table, which maps keys to values.
Headers	HTTP request and response headers are represented by this class which implements the interface `Map`<`String`, `List` <`String`>>.
HeadlessException	Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.
HiddenTree	A tree node for an @hidden block tag.
HierarchyBoundsAdapter	An abstract adapter class for receiving ancestor moved and resized events.
HierarchyBoundsListener	The listener interface for receiving ancestor moved and resized events.
HierarchyEvent	An event which indicates a change to the `Component` hierarchy to which `Component` belongs.
HierarchyListener	The listener interface for receiving hierarchy changed events.
Highlighter	An interface for an object that allows one to mark up the background with colored areas.
Highlighter.Highlight	A highlight.
Highlighter.HighlightPainter	Highlight renderer.
HijrahChronology	The Hijrah calendar is a lunar calendar supporting Islamic calendars.
HijrahDate	A date in the Hijrah calendar system.
HijrahEra	An era in the Hijrah calendar system.
HMACParameterSpec	Parameters for the XML Signature HMAC Algorithm.
HostnameVerifier	This class is the base interface for hostname verification.
HotSpotDiagnosticMXBean	Diagnostic management interface for the HotSpot Virtual Machine.
HTML	Constants used in the `HTMLDocument`.
HTML.Attribute	Typesafe enumeration representing an HTML attribute.
HTML.Tag	Typesafe enumeration for an HTML tag.
HTML.UnknownTag	Class represents unknown HTML tag.
HTMLAnchorElement	The anchor element.
HTMLAppletElement	An embedded Java applet.
HTMLAreaElement	Client-side image map area definition.
HTMLBaseElement	Document base URI.
HTMLBaseFontElement	Base font.
HTMLBodyElement	The HTML document body.
HTMLBRElement	Force a line break.
HTMLButtonElement	Push button.
HTMLCollection	An `HTMLCollection` is a list of nodes.
HTMLDirectoryElement	Directory list.
HTMLDivElement	Generic block container.
HTMLDListElement	Definition list.
HTMLDocument	A document that models HTML.
HTMLDocument	An `HTMLDocument` is the root of the HTML hierarchy and holds the entire content.
HTMLDocument.Iterator	An iterator to iterate over a particular type of tag.
HTMLDOMImplementation	The `HTMLDOMImplementation` interface extends the `DOMImplementation` interface with a method for creating an HTML document instance.
HTMLEditorKit	The Swing JEditorPane text component supports different kinds of content via a plug-in mechanism called an EditorKit.
HTMLEditorKit.HTMLFactory	A factory to build views for HTML.
HTMLEditorKit.HTMLTextAction	An abstract Action providing some convenience methods that may be useful in inserting HTML into an existing document.
HTMLEditorKit.InsertHTMLTextAction	InsertHTMLTextAction can be used to insert an arbitrary string of HTML into an existing HTML document.
HTMLEditorKit.LinkController	Class to watch the associated component and fire hyperlink events on it when appropriate.
HTMLEditorKit.Parser	Interface to be supported by the parser.
HTMLEditorKit.ParserCallback	The result of parsing drives these callback methods.
HTMLElement	All HTML element interfaces derive from this class.
HTMLFieldSetElement	Organizes form controls into logical groups.
HTMLFontElement	Local change to font.
HTMLFormElement	The `FORM` element encompasses behavior similar to a collection and an element.
HTMLFrameElement	Create a frame.
HTMLFrameHyperlinkEvent	HTMLFrameHyperlinkEvent is used to notify interested parties that link was activated in a frame.
HTMLFrameSetElement	Create a grid of frames.
HTMLHeadElement	Document head information.
HTMLHeadingElement	For the `H1` to `H6` elements.
HTMLHRElement	Create a horizontal rule.
HTMLHtmlElement	Root of an HTML document.
HTMLIFrameElement	Inline subwindows.
HTMLImageElement	Embedded image.
HTMLInputElement	Form control.
HTMLIsIndexElement	This element is used for single-line text input.
HTMLLabelElement	Form field label text.
HTMLLegendElement	Provides a caption for a `FIELDSET` grouping.
HTMLLIElement	List item.
HTMLLinkElement	The `LINK` element specifies a link to an external resource, and defines this document's relationship to that resource (or vice versa).
HTMLMapElement	Client-side image map.
HTMLMenuElement	Menu list.
HTMLMetaElement	This contains generic meta-information about the document.
HTMLModElement	Notice of modification to part of a document.
HTMLObjectElement	Generic embedded object.
HTMLOListElement	Ordered list.
HTMLOptGroupElement	Group options together in logical subdivisions.
HTMLOptionElement	A selectable choice.
HTMLParagraphElement	Paragraphs.
HTMLParamElement	Parameters fed to the `OBJECT` element.
HTMLPreElement	Preformatted text.
HTMLQuoteElement	For the `Q` and `BLOCKQUOTE` elements.
HTMLScriptElement	Script statements.
HTMLSelectElement	The select element allows the selection of an option.
HTMLStyleElement	Style information.
HTMLTableCaptionElement	Table caption See the CAPTION element definition in HTML 4.0.
HTMLTableCellElement	The object used to represent the `TH` and `TD` elements.
HTMLTableColElement	Regroups the `COL` and `COLGROUP` elements.
HTMLTableElement	The create* and delete* methods on the table allow authors to construct and modify tables.
HTMLTableRowElement	A row in a table.
HTMLTableSectionElement	The `THEAD` , `TFOOT` , and `TBODY` elements.
HTMLTextAreaElement	Multi-line text field.
HTMLTitleElement	The document title.
HTMLUListElement	Unordered list.
HTMLWriter	This is a writer for HTMLDocuments.
HttpClient	An HTTP Client.
HttpClient.Builder	A builder of HTTP Clients.
HttpClient.Redirect	Defines the automatic redirection policy.
HttpClient.Version	The HTTP protocol version.
HttpConnectTimeoutException	Thrown when a connection, over which an `HttpRequest` is intended to be sent, is not successfully established within a specified time period.
HttpContext	HttpContext represents a mapping between the root URI path of an application to a `HttpHandler` which is invoked to handle requests destined for that path on the associated HttpServer or HttpsServer.
HttpCookie	An HttpCookie object represents an HTTP cookie, which carries state information between server and user agent.
HttpExchange	This class encapsulates a HTTP request received and a response to be generated in one exchange.
HttpHandler	A handler which is invoked to process HTTP exchanges.
HttpHeaders	A read-only view of a set of HTTP headers.
HttpPrincipal	Represents a user authenticated by HTTP Basic or Digest authentication.
HttpRequest	An HTTP request.
HttpRequest.BodyPublisher	A `BodyPublisher` converts high-level Java objects into a flow of byte buffers suitable for sending as a request body.
HttpRequest.BodyPublishers	Implementations of `BodyPublisher` that implement various useful publishers, such as publishing the request body from a String, or from a file.
HttpRequest.Builder	A builder of HTTP requests.
HttpResponse<T>	An HTTP response.
HttpResponse.BodyHandler<T>	A handler for response bodies.
HttpResponse.BodyHandlers	Implementations of `BodyHandler` that implement various useful handlers, such as handling the response body as a String, or streaming the response body to a file.
HttpResponse.BodySubscriber<T>	A `BodySubscriber` consumes response body bytes and converts them into a higher-level Java type.
HttpResponse.BodySubscribers	Implementations of `BodySubscriber` that implement various useful subscribers, such as converting the response body bytes into a String, or streaming the bytes to a file.
HttpResponse.PushPromiseHandler<T>	A handler for push promises.
HttpResponse.ResponseInfo	Initial response information supplied to a `BodyHandler` when a response is initially received and before the body is processed.
HttpRetryException	Thrown to indicate that a HTTP request needs to be retried but cannot be retried automatically, due to streaming mode being enabled.
HttpsConfigurator	This class is used to configure the https parameters for each incoming https connection on a HttpsServer.
HttpServer	This class implements a simple HTTP server.
HttpServerProvider	Service provider class for HttpServer.
HttpsExchange	This class encapsulates a HTTPS request received and a response to be generated in one exchange and defines the extensions to HttpExchange that are specific to the HTTPS protocol.
HttpsParameters	Represents the set of parameters for each https connection negotiated with clients.
HttpsServer	This class is an extension of `HttpServer` which provides support for HTTPS.
HttpsURLConnection	`HttpsURLConnection` extends `HttpURLConnection` with support for https-specific features.
HttpTimeoutException	Thrown when a response is not received within a specified time period.
HttpURLConnection	A URLConnection with support for HTTP-specific features.
HyperlinkEvent	HyperlinkEvent is used to notify interested parties that something has happened with respect to a hypertext link.
HyperlinkEvent.EventType	Defines the ENTERED, EXITED, and ACTIVATED event types, along with their string representations, returned by toString().
HyperlinkListener	HyperlinkListener
ICC_ColorSpace	The `ICC_ColorSpace` class is an implementation of the abstract `ColorSpace` class.
ICC_Profile	A representation of color profile data for device independent and device dependent color spaces based on the International Color Consortium Specification ICC.1:2001-12, File Format for Color Profiles, (see http://www.color.org).
ICC_ProfileGray	The `ICC_ProfileGray` class is a subclass of the `ICC_Profile` class that represents profiles which meet the following criteria: the color space type of the profile is `TYPE_GRAY` and the profile includes the `grayTRCTag` and `mediaWhitePointTag` tags.
ICC_ProfileRGB	The `ICC_ProfileRGB` class is a subclass of the `ICC_Profile` class that represents profiles which meet the following criteria: the profile's color space type is RGB, and the profile includes the `redColorantTag`, `greenColorantTag`, `blueColorantTag`, `redTRCTag`, `greenTRCTag`, `blueTRCTag`, `mediaWhitePointTag` tags.
Icon	A small fixed size picture, typically used to decorate components.
IconUIResource	An Icon wrapper class which implements UIResource.
IconView	Icon decorator that implements the view interface.
IdentifierTree	An identifier in a documentation comment.
IdentifierTree	A tree node for an identifier expression.
IdentifierTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Identity	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
IdentityHashMap<K,V>	This class implements the `Map` interface with a hash table, using reference-equality in place of object-equality when comparing keys (and values).
IdentityScope	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
IDN	Provides methods to convert internationalized domain names (IDNs) between a normal Unicode representation and an ASCII Compatible Encoding (ACE) representation.
IfTree	A tree node for an `if` statement.
IfTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
IIOByteBuffer	A class representing a mutable reference to an array of bytes and an offset and length within that array.
IIOException	An exception class used for signaling run-time failure of reading and writing operations.
IIOImage	A simple container class to aggregate an image, a set of thumbnail (preview) images, and an object representing metadata associated with the image.
IIOInvalidTreeException	An `IIOInvalidTreeException` is thrown when an attempt by an `IIOMetadata` object to parse a tree of `IIOMetadataNode`s fails.
IIOMetadata	An abstract class to be extended by objects that represent metadata (non-image data) associated with images and streams.
IIOMetadataController	An interface to be implemented by objects that can determine the settings of an `IIOMetadata` object, either by putting up a GUI to obtain values from a user, or by other means.
IIOMetadataFormat	An object describing the structure of metadata documents returned from `IIOMetadata.getAsTree` and passed to `IIOMetadata.setFromTree` and `mergeTree`.
IIOMetadataFormatImpl	A concrete class providing a reusable implementation of the `IIOMetadataFormat` interface.
IIOMetadataNode	A class representing a node in a meta-data tree, which implements the `org.w3c.dom.Element` interface and additionally allows for the storage of non-textual objects via the `getUserObject` and `setUserObject` methods.
IIOParam	A superclass of all classes describing how streams should be decoded or encoded.
IIOParamController	An interface to be implemented by objects that can determine the settings of an `IIOParam` object, either by putting up a GUI to obtain values from a user, or by other means.
IIOReadProgressListener	An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of progress.
IIOReadUpdateListener	An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of pixel updates.
IIOReadWarningListener	An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).
IIORegistry	A registry for Image I/O service provider instances.
IIOServiceProvider	A superinterface for functionality common to all Image I/O service provider interfaces (SPIs).
IIOWriteProgressListener	An interface used by `ImageWriter` implementations to notify callers of their image writing methods of progress.
IIOWriteWarningListener	An interface used by `ImageWriter` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).
IllegalAccessError	Thrown if an application attempts to access or modify a field, or to call a method that it does not have access to.
IllegalAccessException	An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
IllegalArgumentException	Thrown to indicate that a method has been passed an illegal or inappropriate argument.
IllegalBlockingModeException	Unchecked exception thrown when a blocking-mode-specific operation is invoked upon a channel in the incorrect blocking mode.
IllegalBlockSizeException	This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.
IllegalCallerException	Thrown to indicate that a method has been called by an inappropriate caller.
IllegalChannelGroupException	Unchecked exception thrown when an attempt is made to open a channel in a group that was not created by the same provider.
IllegalCharsetNameException	Unchecked exception thrown when a string that is not a legal charset name is used as such.
IllegalClassFormatException	Thrown by an implementation of `ClassFileTransformer.transform` when its input parameters are invalid.
IllegalComponentStateException	Signals that an AWT component is not in an appropriate state for the requested operation.
IllegalConnectorArgumentsException	Thrown to indicate an invalid argument or inconsistent passed to a `Connector`.
IllegalFormatCodePointException	Unchecked exception thrown when a character with an invalid Unicode code point as defined by `Character.isValidCodePoint(int)` is passed to the `Formatter`.
IllegalFormatConversionException	Unchecked exception thrown when the argument corresponding to the format specifier is of an incompatible type.
IllegalFormatException	Unchecked exception thrown when a format string contains an illegal syntax or a format specifier that is incompatible with the given arguments.
IllegalFormatFlagsException	Unchecked exception thrown when an illegal combination flags is given.
IllegalFormatPrecisionException	Unchecked exception thrown when the precision is a negative value other than `-1`, the conversion does not support a precision, or the value is otherwise unsupported.
IllegalFormatWidthException	Unchecked exception thrown when the format width is a negative value other than `-1` or is otherwise unsupported.
IllegalMonitorStateException	Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor.
IllegalPathStateException	The `IllegalPathStateException` represents an exception that is thrown if an operation is performed on a path that is in an illegal state with respect to the particular operation being performed, such as appending a path segment to a `GeneralPath` without an initial moveto.
IllegalReceiveException	Unchecked exception thrown when an attempt is made to invoke the `receive` method of `SctpChannel` or `SctpMultiChannel` from a notification handler.
IllegalSelectorException	Unchecked exception thrown when an attempt is made to register a channel with a selector that was not created by the provider that created the channel.
IllegalStateException	Signals that a method has been invoked at an illegal or inappropriate time.
IllegalThreadStateException	Thrown to indicate that a thread is not in an appropriate state for the requested operation.
IllegalUnbindException	Unchecked exception thrown when an attempt is made to remove an address that is not bound to the channel, or remove an address from a channel that has only one address bound to it.
IllformedLocaleException	Thrown by methods in `Locale` and `Locale.Builder` to indicate that an argument is not a well-formed BCP 47 tag.
Image	The abstract class `Image` is the superclass of all classes that represent graphical images.
ImageCapabilities	Capabilities and properties of images.
ImageConsumer	The interface for objects expressing interest in image data through the ImageProducer interfaces.
ImageFilter	This class implements a filter for the set of interface methods that are used to deliver data from an ImageProducer to an ImageConsumer.
ImageGraphicAttribute	The `ImageGraphicAttribute` class is an implementation of `GraphicAttribute` which draws images in a `TextLayout`.
ImageIcon	An implementation of the Icon interface that paints Icons from Images.
ImageInputStream	A seekable input stream interface for use by `ImageReader`s.
ImageInputStreamImpl	An abstract class implementing the `ImageInputStream` interface.
ImageInputStreamSpi	The service provider interface (SPI) for `ImageInputStream`s.
ImageIO	A class containing static convenience methods for locating `ImageReader`s and `ImageWriter`s, and performing simple encoding and decoding.
ImageObserver	An asynchronous update interface for receiving notifications about Image information as the Image is constructed.
ImageOutputStream	A seekable output stream interface for use by `ImageWriter`s.
ImageOutputStreamImpl	An abstract class implementing the `ImageOutputStream` interface.
ImageOutputStreamSpi	The service provider interface (SPI) for `ImageOutputStream`s.
ImageProducer	The interface for objects which can produce the image data for Images.
ImageReader	An abstract superclass for parsing and decoding of images.
ImageReaderSpi	The service provider interface (SPI) for `ImageReader`s.
ImageReaderWriterSpi	A superclass containing instance variables and methods common to `ImageReaderSpi` and `ImageWriterSpi`.
ImageReadParam	A class describing how a stream is to be decoded.
ImageTranscoder	An interface providing metadata transcoding capability.
ImageTranscoderSpi	The service provider interface (SPI) for `ImageTranscoder`s.
ImageTypeSpecifier	A class that allows the format of an image (in particular, its `SampleModel` and `ColorModel`) to be specified in a convenient manner.
ImageView	View of an Image, intended to support the HTML <IMG> tag.
ImageWriteParam	A class describing how a stream is to be encoded.
ImageWriter	An abstract superclass for encoding and writing images.
ImageWriterSpi	The service provider interface (SPI) for `ImageWriter`s.
ImagingOpException	The `ImagingOpException` is thrown if one of the `BufferedImageOp` or `RasterOp` filter methods cannot process the image.
ImmutableDescriptor	An immutable descriptor.
ImportEntryTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ImportSnippet	Snippet for an import declaration.
ImportTree	A tree node for an import declaration.
InaccessibleObjectException	Thrown when Java language access checks cannot be suppressed.
IncompatibleClassChangeError	Thrown when an incompatible class change has occurred to some class definition.
IncompatibleThreadStateException	Thrown to indicate that the requested operation cannot be completed while the specified thread is in its current state.
IncompleteAnnotationException	Thrown to indicate that a program has attempted to access an element of an annotation type that was added to the annotation type definition after the annotation was compiled (or serialized).
InconsistentDebugInfoException	Thrown to indicate that there is an inconistency in the debug information provided by the target VM.
IndexColorModel	The `IndexColorModel` class is a `ColorModel` class that works with pixel values consisting of a single sample that is an index into a fixed colormap in the default sRGB color space.
IndexedPropertyChangeEvent	An "IndexedPropertyChange" event gets delivered whenever a component that conforms to the JavaBeans™ specification (a "bean") changes a bound indexed property.
IndexedPropertyDescriptor	An IndexedPropertyDescriptor describes a property that acts like an array and has an indexed read and/or indexed write method to access specific elements of the array.
IndexOutOfBoundsException	Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
IndexTree	A tree node for an @index or @index inline tag.
Inet4Address	This class represents an Internet Protocol version 4 (IPv4) address.
Inet6Address	This class represents an Internet Protocol version 6 (IPv6) address.
InetAddress	This class represents an Internet Protocol (IP) address.
InetSocketAddress	This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname.
Inflater	This class provides support for general purpose decompression using the popular ZLIB compression library.
InflaterInputStream	This class implements a stream filter for uncompressing data in the "deflate" compression format.
InflaterOutputStream	Implements an output stream filter for uncompressing data stored in the "deflate" compression format.
InheritableThreadLocal<T>	This class extends `ThreadLocal` to provide inheritance of values from parent thread to child thread: when a child thread is created, the child receives initial values for all inheritable thread-local variables for which the parent has values.
InheritDocTree	A tree node for an @inheritDoc inline tag.
Inherited	Indicates that an annotation type is automatically inherited.
InitialContext	This class is the starting context for performing naming operations.
InitialContextFactory	This interface represents a factory that creates an initial context.
InitialContextFactoryBuilder	This interface represents a builder that creates initial context factories.
InitialDirContext	This class is the starting context for performing directory operations.
InitialLdapContext	This class is the starting context for performing LDAPv3-style extended operations and controls.
InlineTagTree	A tree node used as the base class for the different types of inline tags.
InlineView	Displays the inline element styles based upon css attributes.
InputContext	Provides methods to control text input facilities such as input methods and keyboard layouts.
InputEvent	The root event class for all component-level input events.
InputMap	`InputMap` provides a binding between an input event (currently only `KeyStroke`s are used) and an `Object`.
InputMapUIResource	A subclass of javax.swing.InputMap that implements UIResource.
InputMethod	Defines the interface for an input method that supports complex text input.
InputMethodContext	Provides methods that input methods can use to communicate with their client components or to request other services.
InputMethodDescriptor	Defines methods that provide sufficient information about an input method to enable selection and loading of that input method.
InputMethodEvent	Input method events contain information about text that is being composed using an input method.
InputMethodHighlight	An InputMethodHighlight is used to describe the highlight attributes of text being composed.
InputMethodListener	The listener interface for receiving input method events.
InputMethodRequests	InputMethodRequests defines the requests that a text editing component has to handle in order to work with input methods.
InputMismatchException	Thrown by a `Scanner` to indicate that the token retrieved does not match the pattern for the expected type, or that the token is out of range for the expected type.
InputSource	A single input source for an XML entity.
InputStream	This abstract class is the superclass of all classes representing an input stream of bytes.
InputStreamReader	An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified `charset`.
InputSubset	Defines additional Unicode subsets for use by input methods.
InputVerifier	This class provides the validation mechanism for Swing components.
InquireSecContextPermission	This class is used to protect various attributes of an established GSS security context that can be accessed using the `ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType)` method.
InquireType	Attribute types that can be specified as an argument of `ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType)`
Insets	An `Insets` object is a representation of the borders of a container.
InsetsUIResource	A subclass of Insets that implements UIResource.
InstanceAlreadyExistsException	The MBean is already registered in the repository.
InstanceNotFoundException	The specified MBean does not exist in the repository.
InstanceOfTree	A tree node for an `instanceof` expression.
InstanceOfTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Instant	An instantaneous point on the time-line.
InstantiationError	Thrown when an application tries to use the Java `new` construct to instantiate an abstract class or an interface.
InstantiationException	Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
Instrument	An instrument is a sound-synthesis algorithm with certain parameter settings, usually designed to emulate a specific real-world musical instrument or to achieve a specific sort of sound effect.
Instrumentation	This class provides services needed to instrument Java programming language code.
InsufficientResourcesException	This exception is thrown when resources are not available to complete the requested operation.
IntBinaryOperator	Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
IntBuffer	An int buffer.
IntConsumer	Represents an operation that accepts a single `int`-valued argument and returns no result.
Integer	The `Integer` class wraps a value of the primitive type `int` in an object.
IntegerSyntax	Class `IntegerSyntax` is an abstract base class providing the common implementation of all attributes with integer values.
IntegerType	The type of all primitive `int` values accessed in the target VM.
IntegerValue	Provides access to a primitive `int` value in the target VM.
InterfaceAddress	This class represents a Network Interface address.
InterfaceType	A mirror of an interface in the target VM.
InternalError	Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
InternalException	Thrown to indicate that an unexpected internal error has occurred.
InternalFrameAdapter	An abstract adapter class for receiving internal frame events.
InternalFrameEvent	An `AWTEvent` that adds support for `JInternalFrame` objects as the event source.
InternalFrameFocusTraversalPolicy	A FocusTraversalPolicy which can optionally provide an algorithm for determining a JInternalFrame's initial Component.
InternalFrameListener	The listener interface for receiving internal frame events.
InternalFrameUI	Pluggable look and feel interface for JInternalFrame.
InternationalFormatter	`InternationalFormatter` extends `DefaultFormatter`, using an instance of `java.text.Format` to handle the conversion to a String, and the conversion from a String.
InterruptedByTimeoutException	Checked exception received by a thread when a timeout elapses before an asynchronous operation completes.
InterruptedException	Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
InterruptedIOException	Signals that an I/O operation has been interrupted.
InterruptedNamingException	This exception is thrown when the naming operation being invoked has been interrupted.
InterruptibleChannel	A channel that can be asynchronously closed and interrupted.
IntersectionType	Represents an intersection type.
IntersectionTypeTree	A tree node for an intersection type in a cast expression.
IntFunction<R>	Represents a function that accepts an int-valued argument and produces a result.
IntPredicate	Represents a predicate (boolean-valued function) of one `int`-valued argument.
IntrospectionException	Thrown when an exception happens during Introspection.
IntrospectionException	An exception occurred during the introspection of an MBean.
Introspector	The Introspector class provides a standard way for tools to learn about the properties, events, and methods supported by a target Java Bean.
IntStream	A sequence of primitive int-valued elements supporting sequential and parallel aggregate operations.
IntStream.Builder	A mutable builder for an `IntStream`.
IntSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
IntSupplier	Represents a supplier of `int`-valued results.
IntToDoubleFunction	Represents a function that accepts an int-valued argument and produces a double-valued result.
IntToLongFunction	Represents a function that accepts an int-valued argument and produces a long-valued result.
IntUnaryOperator	Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
InvalidAlgorithmParameterException	This is the exception for invalid or inappropriate algorithm parameters.
InvalidApplicationException	Thrown when an attempt is made to apply either of the following: A subquery expression to an MBean or a qualified attribute expression to an MBean of the wrong class.
InvalidAttributeIdentifierException	This exception is thrown when an attempt is made to add to create an attribute with an invalid attribute identifier.
InvalidAttributesException	This exception is thrown when an attempt is made to add or modify an attribute set that has been specified incompletely or incorrectly.
InvalidAttributeValueException	The value specified is not valid for the attribute.
InvalidAttributeValueException	This class is thrown when an attempt is made to add to an attribute a value that conflicts with the attribute's schema definition.
InvalidClassException	Thrown when the Serialization runtime detects one of the following problems with a Class.
InvalidCodeIndexException	Deprecated. This exception is no longer thrown
InvalidDnDOperationException	This exception is thrown by various methods in the java.awt.dnd package.
InvalidKeyException	This is the exception for invalid Keys (invalid encoding, wrong length, uninitialized, etc).
InvalidKeyException	This runtime exception is thrown to indicate that a method parameter which was expected to be an item name of a composite data or a row index of a tabular data is not valid.
InvalidKeySpecException	This is the exception for invalid key specifications.
InvalidLineNumberException	Deprecated. This exception is no longer thrown
InvalidMarkException	Unchecked exception thrown when an attempt is made to reset a buffer when its mark is not defined.
InvalidMidiDataException	An `InvalidMidiDataException` indicates that inappropriate MIDI data was encountered.
InvalidModuleDescriptorException	Thrown when reading a module descriptor and the module descriptor is found to be malformed or otherwise cannot be interpreted as a module descriptor.
InvalidModuleException	Thrown to indicate that the requested module is invalid or became invalid after the module was unloaded.
InvalidNameException	This exception indicates that the name being specified does not conform to the naming syntax of a naming system.
InvalidObjectException	Indicates that one or more deserialized objects failed validation tests.
InvalidOpenTypeException	This runtime exception is thrown to indicate that the open type of an open data value is not the one expected.
InvalidParameterException	This exception, designed for use by the JCA/JCE engine classes, is thrown when an invalid parameter is passed to a method.
InvalidParameterSpecException	This is the exception for invalid parameter specifications.
InvalidPathException	Unchecked exception thrown when path string cannot be converted into a `Path` because the path string contains invalid characters, or the path string is invalid for other file system specific reasons.
InvalidPreferencesFormatException	Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of preferences, as per the `Preferences` specification.
InvalidPropertiesFormatException	Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of properties, as per the `Properties` specification.
InvalidRelationIdException	This exception is raised when relation id provided for a relation is already used.
InvalidRelationServiceException	This exception is raised when an invalid Relation Service is provided.
InvalidRelationTypeException	Invalid relation type.
InvalidRequestStateException	Thrown to indicate that the requested event cannot be modified because it is enabled.
InvalidRoleInfoException	This exception is raised when, in a role info, its minimum degree is greater than its maximum degree.
InvalidRoleValueException	Role value is invalid.
InvalidSearchControlsException	This exception is thrown when the specification of the SearchControls for a search operation is invalid.
InvalidSearchFilterException	This exception is thrown when the specification of a search filter is invalid.
InvalidStackFrameException	Thrown to indicate that the requested operation cannot be completed because the specified stack frame is no longer valid.
InvalidStreamException	Unchecked exception thrown when an attempt is made to send a message to an invalid stream.
InvalidTargetObjectTypeException	Exception thrown when an invalid target object type is specified.
InvalidTypeException	Thrown to indicate a type mismatch in setting the value of a field or variable, or in specifying the return value of a method.
Invocable	The optional interface implemented by ScriptEngines whose methods allow the invocation of procedures in scripts that have previously been executed.
InvocationEvent	An event which executes the `run()` method on a `Runnable` when dispatched by the AWT event dispatcher thread.
InvocationException	Thrown to indicate an exception occurred in an invoked method within the target VM.
InvocationHandler	`InvocationHandler` is the interface implemented by the invocation handler of a proxy instance.
InvocationTargetException	InvocationTargetException is a checked exception that wraps an exception thrown by an invoked method or constructor.
IOError	Thrown when a serious I/O error has occurred.
IOException	Signals that an I/O exception of some sort has occurred.
IsoChronology	The ISO calendar system.
IsoEra	An era in the ISO calendar system.
IsoFields	Fields and units specific to the ISO-8601 calendar system, including quarter-of-year and week-based-year.
ItemEvent	A semantic event which indicates that an item was selected or deselected.
ItemListener	The listener interface for receiving item events.
ItemSelectable	The interface for objects which contain a set of items for which zero or more can be selected.
Iterable<T>	Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
Iterator<E>	An iterator over a collection.
IvParameterSpec	This class specifies an initialization vector (IV).
JapaneseChronology	The Japanese Imperial calendar system.
JapaneseDate	A date in the Japanese Imperial calendar system.
JapaneseEra	An era in the Japanese Imperial calendar system.
JApplet	Deprecated. The Applet API is deprecated, no replacement.
JarEntry	This class is used to represent a JAR file entry.
JarException	Signals that an error of some sort has occurred while reading from or writing to a JAR file.
JarFile	The `JarFile` class is used to read the contents of a jar file from any file that can be opened with `java.io.RandomAccessFile`.
JarInputStream	The `JarInputStream` class is used to read the contents of a JAR file from any input stream.
JarOutputStream	The `JarOutputStream` class is used to write the contents of a JAR file to any output stream.
JarSigner	An immutable utility class to sign a jar file.
JarSigner.Builder	A mutable builder class that can create an immutable `JarSigner` from various signing-related parameters.
JarSignerException	This exception is thrown when `JarSigner.sign(java.util.zip.ZipFile, java.io.OutputStream)` fails.
JarURLConnection	A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.
JavaBean	An annotation used to specify some class-related information for the automatically generated `BeanInfo` classes.
JavaCompiler	Interface to invoke Java™ programming language compilers from programs.
JavaCompiler.CompilationTask	Interface representing a future for a compilation task.
JavacTask	Provides access to functionality specific to the JDK Java Compiler, javac.
JavaFileManager	File manager for tools operating on Java™ programming language source and class files.
JavaFileManager.Location	Interface for locations of file objects.
JavaFileObject	File abstraction for tools operating on Java™ programming language source and class files.
JavaFileObject.Kind	Kinds of JavaFileObjects.
JavaShellToolBuilder	Interface to configure and run a Java shell tool instance.
JButton	An implementation of a "push" button.
JCheckBox	An implementation of a check box -- an item that can be selected or deselected, and which displays its state to the user.
JCheckBoxMenuItem	A menu item that can be selected or deselected.
JColorChooser	`JColorChooser` provides a pane of controls designed to allow a user to manipulate and select a color.
JComboBox<E>	A component that combines a button or editable field and a drop-down list.
JComboBox.KeySelectionManager	The interface that defines a `KeySelectionManager`.
JComponent	The base class for all Swing components except top-level containers.
JConsoleContext	`JConsoleContext` represents a JConsole connection to a target application.
JConsoleContext.ConnectionState	Values for the ConnectionState bound property.
JConsolePlugin	A JConsole plugin class.
JdbcRowSet	The standard interface that all standard implementations of `JdbcRowSet` must implement.
JDBCType	Defines the constants that are used to identify generic SQL types, called JDBC types.
JDesktopPane	A container used to create a multiple-document interface or a virtual desktop.
JDialog	The main class for creating a dialog window.
JdiDefaultExecutionControl	The implementation of `ExecutionControl` that the JShell-core uses by default.
JdiExecutionControl	Abstract JDI implementation of `ExecutionControl`.
JdiExecutionControlProvider	A provider of remote JDI-controlled execution engines.
JdiInitiator	Sets up a JDI connection, providing the resulting JDI `VirtualMachine` and the `Process` the remote agent is running in.
JDIPermission	The `JDIPermission` class represents access rights to the `VirtualMachineManager`.
JEditorPane	A text component to edit various kinds of content.
JFileChooser	`JFileChooser` provides a simple mechanism for the user to choose a file.
JFormattedTextField	`JFormattedTextField` extends `JTextField` adding support for formatting arbitrary values, as well as retrieving a particular object once the user has edited the text.
JFormattedTextField.AbstractFormatter	Instances of `AbstractFormatter` are used by `JFormattedTextField` to handle the conversion both from an Object to a String, and back from a String to an Object.
JFormattedTextField.AbstractFormatterFactory	Instances of `AbstractFormatterFactory` are used by `JFormattedTextField` to obtain instances of `AbstractFormatter` which in turn are used to format values.
JFrame	An extended version of `java.awt.Frame` that adds support for the JFC/Swing component architecture.
JInternalFrame	A lightweight object that provides many of the features of a native frame, including dragging, closing, becoming an icon, resizing, title display, and support for a menu bar.
JInternalFrame.JDesktopIcon	This component represents an iconified version of a `JInternalFrame`.
JLabel	A display area for a short text string or an image, or both.
JLayer<V extends Component>	`JLayer` is a universal decorator for Swing components which enables you to implement various advanced painting effects as well as receive notifications of all `AWTEvent`s generated within its borders.
JLayeredPane	`JLayeredPane` adds depth to a JFC/Swing container, allowing components to overlap each other when needed.
JList<E>	A component that displays a list of objects and allows the user to select one or more items.
JList.DropLocation	A subclass of `TransferHandler.DropLocation` representing a drop location for a `JList`.
JMenu	An implementation of a menu -- a popup window containing `JMenuItem`s that is displayed when the user selects an item on the `JMenuBar`.
JMenuBar	An implementation of a menu bar.
JMenuItem	An implementation of an item in a menu.
JMException	Exceptions thrown by JMX implementations.
JMRuntimeException	Runtime exceptions emitted by JMX implementations.
JMX	Static methods from the JMX API.
JMXAddressable	Implemented by objects that can have a `JMXServiceURL` address.
JMXAuthenticator	Interface to define how remote credentials are converted into a JAAS Subject.
JMXConnectionNotification	Notification emitted when a client connection is opened or closed or when notifications are lost.
JMXConnector	The client end of a JMX API connector.
JMXConnectorFactory	Factory to create JMX API connector clients.
JMXConnectorProvider	A provider for creating JMX API connector clients using a given protocol.
JMXConnectorServer	Superclass of every connector server.
JMXConnectorServerFactory	Factory to create JMX API connector servers.
JMXConnectorServerMBean	MBean interface for connector servers.
JMXConnectorServerProvider	A provider for creating JMX API connector servers using a given protocol.
JMXPrincipal	The identity of a remote client of the JMX Remote API.
JMXProviderException	Exception thrown by `JMXConnectorFactory` and `JMXConnectorServerFactory` when a provider exists for the required protocol but cannot be used for some reason.
JMXServerErrorException	Exception thrown as the result of a remote `MBeanServer` method invocation when an `Error` is thrown while processing the invocation in the remote MBean server.
JMXServiceURL	The address of a JMX API connector server.
JndiLoginModule	The module prompts for a username and password and then verifies the password against the password stored in a directory service configured under JNDI.
JobAttributes	A set of attributes which control a print job.
JobAttributes.DefaultSelectionType	A type-safe enumeration of possible default selection states.
JobAttributes.DestinationType	A type-safe enumeration of possible job destinations.
JobAttributes.DialogType	A type-safe enumeration of possible dialogs to display to the user.
JobAttributes.MultipleDocumentHandlingType	A type-safe enumeration of possible multiple copy handling states.
JobAttributes.SidesType	A type-safe enumeration of possible multi-page impositions.
JobHoldUntil	Class `JobHoldUntil` is a printing attribute class, a date-time attribute, that specifies the exact date and time at which the job must become a candidate for printing.
JobImpressions	Class `JobImpressions` is an integer valued printing attribute class that specifies the total size in number of impressions of the document(s) being submitted.
JobImpressionsCompleted	Class `JobImpressionsCompleted` is an integer valued printing attribute class that specifies the number of impressions completed for the job so far.
JobImpressionsSupported	Class `JobImpressionsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobImpressions` attribute.
JobKOctets	Class `JobKOctets` is an integer valued printing attribute class that specifies the total size of the document(s) in K octets, i.e., in units of 1024 octets requested to be processed in the job.
JobKOctetsProcessed	Class `JobKOctetsProcessed` is an integer valued printing attribute class that specifies the total number of print data octets processed so far in K octets, i.e., in units of 1024 octets.
JobKOctetsSupported	Class `JobKOctetsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobKOctets` attribute.
JobMediaSheets	Class `JobMediaSheets` is an integer valued printing attribute class that specifies the total number of media sheets to be produced for this job.
JobMediaSheetsCompleted	Class `JobMediaSheetsCompleted` is an integer valued printing attribute class that specifies the number of media sheets which have completed marking and stacking for the entire job so far, whether those sheets have been processed on one side or on both.
JobMediaSheetsSupported	Class `JobMediaSheetsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobMediaSheets` attribute.
JobMessageFromOperator	Class `JobMessageFromOperator` is a printing attribute class, a text attribute, that provides a message from an operator, system administrator, or "intelligent" process to indicate to the end user the reasons for modification or other management action taken on a job.
JobName	Class `JobName` is a printing attribute class, a text attribute, that specifies the name of a print job.
JobOriginatingUserName	Class `JobOriginatingUserName` is a printing attribute class, a text attribute, that contains the name of the end user that submitted the print job.
JobPriority	Class `JobPriority` is an integer valued printing attribute class that specifies a print job's priority.
JobPrioritySupported	Class `JobPrioritySupported` is an integer valued printing attribute class that specifies whether a Print Service instance supports the `JobPriority` attribute and the number of different job priority levels supported.
JobSheets	Class `JobSheets` is a printing attribute class, an enumeration, that determines which job start and end sheets, if any, must be printed with a job.
JobState	`JobState` is a printing attribute class, an enumeration, that identifies the current state of a print job.
JobStateReason	Class `JobStateReason` is a printing attribute class, an enumeration, that provides additional information about the job's current state, i.e., information that augments the value of the job's `JobState` attribute.
JobStateReasons	Class `JobStateReasons` is a printing attribute class, a set of enumeration values, that provides additional information about the job's current state, i.e., information that augments the value of the job's `JobState` attribute.
Joinable	1.0 Background
JoinRowSet	The `JoinRowSet` interface provides a mechanism for combining related data from different `RowSet` objects into one `JoinRowSet` object, which represents an SQL `JOIN`.
JOptionPane	`JOptionPane` makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.
JPanel	`JPanel` is a generic lightweight container.
JPasswordField	`JPasswordField` is a lightweight component that allows the editing of a single line of text where the view indicates something was typed, but does not show the original characters.
JPEGHuffmanTable	A class encapsulating a single JPEG Huffman table.
JPEGImageReadParam	This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG reader plug-in.
JPEGImageWriteParam	This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG writer plug-in, and to request that optimized Huffman tables be computed for an image.
JPEGQTable	A class encapsulating a single JPEG quantization table.
JPopupMenu	An implementation of a popup menu -- a small window that pops up and displays a series of choices.
JPopupMenu.Separator	A popup menu-specific separator.
JProgressBar	A component that visually displays the progress of some task.
JRadioButton	An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user.
JRadioButtonMenuItem	An implementation of a radio button menu item.
JRootPane	A lightweight container used behind the scenes by `JFrame`, `JDialog`, `JWindow`, `JApplet`, and `JInternalFrame`.
JScrollBar	An implementation of a scrollbar.
JScrollPane	Provides a scrollable view of a lightweight component.
JSeparator	`JSeparator` provides a general purpose component for implementing divider lines - most commonly used as a divider between menu items that breaks them up into logical groupings.
JSException	Thrown when an exception is raised in the JavaScript engine.
JShell	The JShell evaluation state engine.
JShell.Builder	Builder for `JShell` instances.
JShellException	The superclass of JShell generated exceptions
JSlider	A component that lets the user graphically select a value by sliding a knob within a bounded interval.
JSObject	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
JSObject	Allows Java code to manipulate JavaScript objects.
JSpinner	A single line input field that lets the user select a number or an object value from an ordered sequence.
JSpinner.DateEditor	An editor for a `JSpinner` whose model is a `SpinnerDateModel`.
JSpinner.DefaultEditor	A simple base class for more specialized editors that displays a read-only view of the model's current value with a `JFormattedTextField`.
JSpinner.ListEditor	An editor for a `JSpinner` whose model is a `SpinnerListModel`.
JSpinner.NumberEditor	An editor for a `JSpinner` whose model is a `SpinnerNumberModel`.
JSplitPane	`JSplitPane` is used to divide two (and only two) `Component`s.
JTabbedPane	A component that lets the user switch between a group of components by clicking on a tab with a given title and/or icon.
JTable	The `JTable` is used to display and edit regular two-dimensional tables of cells.
JTable.DropLocation	A subclass of `TransferHandler.DropLocation` representing a drop location for a `JTable`.
JTable.PrintMode	Printing modes, used in printing `JTable`s.
JTableHeader	This is the object which manages the header of the `JTable`.
JTextArea	A `JTextArea` is a multi-line area that displays plain text.
JTextComponent	`JTextComponent` is the base class for swing text components.
JTextComponent.DropLocation	Represents a drop location for `JTextComponent`s.
JTextComponent.KeyBinding	Binding record for creating key bindings.
JTextField	`JTextField` is a lightweight component that allows the editing of a single line of text.
JTextPane	A text component that can be marked up with attributes that are represented graphically.
JToggleButton	An implementation of a two-state button.
JToggleButton.ToggleButtonModel	The ToggleButton model
JToolBar	`JToolBar` provides a component that is useful for displaying commonly used `Action`s or controls.
JToolBar.Separator	A toolbar-specific separator.
JToolTip	Used to display a "Tip" for a Component.
JTree	A control that displays a set of hierarchical data as an outline.
JTree.DropLocation	A subclass of `TransferHandler.DropLocation` representing a drop location for a `JTree`.
JTree.DynamicUtilTreeNode	`DynamicUtilTreeNode` can wrap vectors/hashtables/arrays/strings and create the appropriate children tree nodes as necessary.
JTree.EmptySelectionModel	`EmptySelectionModel` is a `TreeSelectionModel` that does not allow anything to be selected.
JulianFields	A set of date fields that provide access to Julian Days.
JViewport	The "viewport" or "porthole" through which you see the underlying information.
JWindow	A `JWindow` is a container that can be displayed anywhere on the user's desktop.
KerberosCredMessage	This class encapsulates a Kerberos 5 KRB_CRED message which can be used to send Kerberos credentials from one principal to another.
KerberosKey	This class encapsulates a long term secret key for a Kerberos principal.
KerberosPrincipal	This class encapsulates a Kerberos principal.
KerberosTicket	This class encapsulates a Kerberos ticket and associated information as viewed from the client's point of view.
Kernel	The `Kernel` class defines a matrix that describes how a specified pixel and its surrounding pixels affect the value computed for the pixel's position in the output image of a filtering operation.
Key	The Key interface is the top-level interface for all keys.
KeyAdapter	An abstract adapter class for receiving keyboard events.
KeyAgreement	This class provides the functionality of a key agreement (or key exchange) protocol.
KeyAgreementSpi	This class defines the Service Provider Interface (SPI) for the `KeyAgreement` class.
KeyAlreadyExistsException	This runtime exception is thrown to indicate that the index of a row to be added to a tabular data instance is already used to refer to another row in this tabular data instance.
KeyboardFocusManager	The KeyboardFocusManager is responsible for managing the active and focused Windows, and the current focus owner.
KeyEvent	An event which indicates that a keystroke occurred in a component.
KeyEventDispatcher	A KeyEventDispatcher cooperates with the current KeyboardFocusManager in the targeting and dispatching of all KeyEvents.
KeyEventPostProcessor	A KeyEventPostProcessor cooperates with the current KeyboardFocusManager in the final resolution of all unconsumed KeyEvents.
KeyException	This is the basic key exception.
KeyFactory	Key factories are used to convert keys (opaque cryptographic keys of type `Key`) into key specifications (transparent representations of the underlying key material), and vice versa.
KeyFactorySpi	This class defines the Service Provider Interface (SPI) for the `KeyFactory` class.
KeyGenerator	This class provides the functionality of a secret (symmetric) key generator.
KeyGeneratorSpi	This class defines the Service Provider Interface (SPI) for the `KeyGenerator` class.
KeyInfo	A representation of the XML `KeyInfo` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
KeyInfoFactory	A factory for creating `KeyInfo` objects from scratch or for unmarshalling a `KeyInfo` object from a corresponding XML representation.
KeyListener	The listener interface for receiving keyboard events (keystrokes).
KeyManagementException	This is the general key management exception for all operations dealing with key management.
KeyManager	This is the base interface for JSSE key managers.
KeyManagerFactory	This class acts as a factory for key managers based on a source of key material.
KeyManagerFactorySpi	This class defines the Service Provider Interface (SPI) for the `KeyManagerFactory` class.
Keymap	A collection of bindings of KeyStrokes to actions.
KeyName	A representation of the XML `KeyName` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
KeyPair	This class is a simple holder for a key pair (a public key and a private key).
KeyPairGenerator	The KeyPairGenerator class is used to generate pairs of public and private keys.
KeyPairGeneratorSpi	This class defines the Service Provider Interface (SPI) for the `KeyPairGenerator` class, which is used to generate pairs of public and private keys.
KeyRep	Standardized representation for serialized Key objects.
KeyRep.Type	Key type.
KeySelector	A selector that finds and returns a key using the data contained in a `KeyInfo` object.
KeySelector.Purpose	The purpose of the key that is to be selected.
KeySelectorException	Indicates an exceptional condition thrown by a `KeySelector`.
KeySelectorResult	The result returned by the `KeySelector.select` method.
KeySpec	A (transparent) specification of the key material that constitutes a cryptographic key.
KeyStore	This class represents a storage facility for cryptographic keys and certificates.
KeyStore.Builder	A description of a to-be-instantiated KeyStore object.
KeyStore.CallbackHandlerProtection	A ProtectionParameter encapsulating a CallbackHandler.
KeyStore.Entry	A marker interface for `KeyStore` entry types.
KeyStore.Entry.Attribute	An attribute associated with a keystore entry.
KeyStore.LoadStoreParameter	A marker interface for `KeyStore` `load` and `store` parameters.
KeyStore.PasswordProtection	A password-based implementation of `ProtectionParameter`.
KeyStore.PrivateKeyEntry	A `KeyStore` entry that holds a `PrivateKey` and corresponding certificate chain.
KeyStore.ProtectionParameter	A marker interface for keystore protection parameters.
KeyStore.SecretKeyEntry	A `KeyStore` entry that holds a `SecretKey`.
KeyStore.TrustedCertificateEntry	A `KeyStore` entry that holds a trusted `Certificate`.
KeyStoreBuilderParameters	A parameters object for X509KeyManagers that encapsulates a List of KeyStore.Builders.
KeyStoreException	This is the generic KeyStore exception.
KeyStoreLoginModule	Provides a JAAS login module that prompts for a key store alias and populates the subject with the alias's principal and credentials.
KeyStoreSpi	This class defines the Service Provider Interface (SPI) for the `KeyStore` class.
KeyStroke	A KeyStroke represents a key action on the keyboard, or equivalent input device.
KeyTab	This class encapsulates a keytab file.
KeyValue	A representation of the XML `KeyValue` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
Krb5LoginModule	This `LoginModule` authenticates users using Kerberos protocols.
Label	A `Label` object is a component for placing text in a container.
Label	Annotation that sets a human-readable name for an element (for example, `"Maximum Throughput"`).
LabeledStatementTree	A tree node for a labeled statement.
LabeledStatementTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
LabelUI	Pluggable look and feel interface for JLabel.
LabelView	A `LabelView` is a styled chunk of text that represents a view mapped over an element in the text model.
LambdaConversionException	LambdaConversionException
LambdaExpressionTree	A tree node for a lambda expression.
LambdaExpressionTree.BodyKind	Lambda expressions come in two forms: expression lambdas, whose body is an expression, and statement lambdas, whose body is a block
LambdaMetafactory	Methods to facilitate the creation of simple "function objects" that implement one or more interfaces by delegation to a provided `MethodHandle`, possibly after type adaptation and partial evaluation of arguments.
LanguageCallback	Underlying security services instantiate and pass a `LanguageCallback` to the `handle` method of a `CallbackHandler` to retrieve the `Locale` used for localizing text.
LastOwnerException	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
LaunchingConnector	A connector which can launch a target VM before connecting to it.
LayeredHighlighter
LayeredHighlighter.LayerPainter	Layered highlight renderer.
LayerInstantiationException	Thrown when creating a module layer fails.
LayerUI<V extends Component>	The base class for all `JLayer`'s UI delegates.
LayoutFocusTraversalPolicy	A SortingFocusTraversalPolicy which sorts Components based on their size, position, and orientation.
LayoutManager	Defines the interface for classes that know how to lay out `Container`s.
LayoutManager2	Defines an interface for classes that know how to layout Containers based on a layout constraints object.
LayoutPath	LayoutPath provides a mapping between locations relative to the baseline and points in user space.
LayoutQueue	A queue of text layout tasks.
LayoutStyle	`LayoutStyle` provides information about how to position components.
LayoutStyle.ComponentPlacement	`ComponentPlacement` is an enumeration of the possible ways two components can be placed relative to each other.
LDAPCertStoreParameters	Parameters used as input for the LDAP `CertStore` algorithm.
LdapContext	This interface represents a context in which you can perform operations with LDAPv3-style controls and perform LDAPv3-style extended operations.
LdapDnsProvider	Service-provider class for DNS lookups when performing LDAP operations.
LdapDnsProviderResult	The result of a DNS lookup for an LDAP URL.
LdapLoginModule	This `LoginModule` performs LDAP-based authentication.
LdapName	This class represents a distinguished name as specified by RFC 2253.
LdapPrincipal	A principal identified by a distinguished name as specified by RFC 2253.
LdapReferralException	This abstract class is used to represent an LDAP referral exception.
Lease	A lease contains a unique VM identifier and a lease duration.
Level	The Level class defines a set of standard logging levels that can be used to control logging output.
LexicalHandler	SAX2 extension handler for lexical events.
LimitExceededException	This exception is thrown when a method terminates abnormally due to a user or system specified limit.
Line	The `Line` interface represents a mono or multi-channel audio feed.
Line.Info	A `Line.Info` object contains information about a line.
Line2D	This `Line2D` represents a line segment in `(x,y)` coordinate space.
Line2D.Double	A line segment specified with double coordinates.
Line2D.Float	A line segment specified with float coordinates.
LinearGradientPaint	The `LinearGradientPaint` class provides a way to fill a `Shape` with a linear color gradient pattern.
LineBorder	A class which implements a line border of arbitrary thickness and of a single color.
LineBreakMeasurer	The `LineBreakMeasurer` class allows styled text to be broken into lines (or segments) that fit within a particular visual advance.
LineEvent	The `LineEvent` class encapsulates information that a line sends its listeners whenever the line opens, closes, starts, or stops.
LineEvent.Type	The LineEvent.Type inner class identifies what kind of event occurred on a line.
LineListener	Instances of classes that implement the `LineListener` interface can register to receive events when a line's status changes.
LineMap	Provides methods to convert between character positions and line numbers for a compilation unit.
LineMap	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
LineMetrics	The `LineMetrics` class allows access to the metrics needed to layout characters along a line and to layout of a set of lines.
LineNumberInputStream	Deprecated. This class incorrectly assumes that bytes adequately represent characters.
LineNumberReader	A buffered character-input stream that keeps track of line numbers.
LineUnavailableException	A `LineUnavailableException` is an exception indicating that a line cannot be opened because it is unavailable.
LinkageError	Subclasses of `LinkageError` indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
LinkedBlockingDeque<E>	An optionally-bounded blocking deque based on linked nodes.
LinkedBlockingQueue<E>	An optionally-bounded blocking queue based on linked nodes.
LinkedHashMap<K,V>	Hash table and linked list implementation of the `Map` interface, with predictable iteration order.
LinkedHashSet<E>	Hash table and linked list implementation of the `Set` interface, with predictable iteration order.
LinkedList<E>	Doubly-linked list implementation of the `List` and `Deque` interfaces.
LinkedTransferQueue<E>	An unbounded `TransferQueue` based on linked nodes.
LinkerServices	Interface for services provided to `GuardingDynamicLinker` instances by the `DynamicLinker` that owns them.
LinkException	This exception is used to describe problems encountered while resolving links.
LinkLoopException	This exception is thrown when a loop was detected while attempting to resolve a link, or an implementation specific limit on link counts has been reached.
LinkOption	Defines the options as to how symbolic links are handled.
LinkPermission	The `Permission` class for link creation operations.
LinkRef	This class represents a Reference whose contents is a name, called the link name, that is bound to an atomic name in a context.
LinkRequest	Represents a request to link a particular invocation at a particular call site.
LinkStyle	The `LinkStyle` interface provides a mechanism by which a style sheet can be retrieved from the node responsible for linking it into a document.
LinkTree	A tree node for an @link or @linkplain inline tag.
List	The `List` component presents the user with a scrolling list of text items.
List<E>	An ordered collection (also known as a sequence).
ListCellRenderer<E>	Identifies components that can be used as "rubber stamps" to paint the cells in a JList.
ListDataEvent	Defines an event that encapsulates changes to a list.
ListDataListener	ListDataListener
ListenerNotFoundException	The specified MBean listener does not exist in the repository.
ListeningConnector	A connector which listens for a connection initiated by a target VM.
ListIterator<E>	An iterator for lists that allows the programmer to traverse the list in either direction, modify the list during iteration, and obtain the iterator's current position in the list.
ListModel<E>	This interface defines the methods components like JList use to get the value of each cell in a list and the length of the list.
ListResourceBundle	`ListResourceBundle` is an abstract subclass of `ResourceBundle` that manages resources for a locale in a convenient and easy to use list.
ListSelectionEvent	An event that characterizes a change in selection.
ListSelectionListener	The listener that's notified when a lists selection value changes.
ListSelectionModel	This interface represents the current state of the selection for any of the components that display a list of values with stable indices.
ListUI	The `JList` pluggable look and feel delegate.
ListView	A view implementation to display an html list
LiteralTree	A tree node for an @literal or @code inline tag.
LiteralTree	A tree node for a literal expression.
LiteralTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
LoaderDelegate	This interface specifies the loading specific subset of `ExecutionControl`.
LoaderHandler	Deprecated. no replacement
LocalDate	A date without a time-zone in the ISO-8601 calendar system, such as `2007-12-03`.
LocalDateTime	A date-time without a time-zone in the ISO-8601 calendar system, such as `2007-12-03T10:15:30`.
Locale	A `Locale` object represents a specific geographical, political, or cultural region.
Locale.Builder	`Builder` is used to build instances of `Locale` from values configured by the setters.
Locale.Category	Enum for locale categories.
Locale.FilteringMode	This enum provides constants to select a filtering mode for locale matching.
Locale.IsoCountryCode	Enum for specifying the type defined in ISO 3166.
Locale.LanguageRange	This class expresses a Language Range defined in RFC 4647 Matching of Language Tags.
LocaleNameProvider	An abstract class for service providers that provide localized names for the `Locale` class.
LocaleServiceProvider	This is the super class of all the locale sensitive service provider interfaces (SPIs).
LocalExecutionControl	An implementation of `ExecutionControl` which executes in the same JVM as the JShell-core.
LocalExecutionControlProvider	A provider of execution engines which run in the same process as JShell.
LocalTime	A time without a time-zone in the ISO-8601 calendar system, such as `10:15:30`.
LocalVariable	A local variable in the target VM.
Locatable	A mirror that has a `Location`.
LocatableEvent	Abstract superinterface of events which have both location and thread.
LocateRegistry	`LocateRegistry` is used to obtain a reference to a bootstrap remote object registry on a particular host (including the local host), or to create a remote object registry that accepts calls on a specific port.
Location	A point within the executing code of the target VM.
Location	Provides information on the location of an event.
Locator	Interface for associating a SAX event with a document location.
Locator2	SAX2 extension to augment the entity information provided though a `Locator`.
Locator2Impl	SAX2 extension helper for holding additional Entity information, implementing the `Locator2` interface.
LocatorImpl	Provide an optional convenience implementation of Locator.
Lock	`Lock` implementations provide more extensive locking operations than can be obtained using `synchronized` methods and statements.
LockInfo	Information about a lock.
LockSupport	Basic thread blocking primitives for creating locks and other synchronization classes.
Logger	A Logger object is used to log messages for a specific system or application component.
LoggingMXBean	Deprecated. `LoggingMXBean` is no longer a `platform MXBean` and is replaced with `PlatformLoggingMXBean`.
LoggingPermission	The permission which the SecurityManager will check when code that is running with a SecurityManager calls one of the logging control methods (such as Logger.setLevel).
LoginContext	The `LoginContext` class describes the basic methods used to authenticate Subjects and provides a way to develop an application independent of the underlying authentication technology.
LoginException	This is the basic login exception.
LoginModule	Service-provider interface for authentication technology providers.
LogManager	There is a single global LogManager object that is used to maintain a set of shared state about Loggers and log services.
LogRecord	LogRecord objects are used to pass logging requests between the logging framework and individual log Handlers.
LogStream	Deprecated. no replacement
Long	The `Long` class wraps a value of the primitive type `long` in an object.
LongAccumulator	One or more variables that together maintain a running `long` value updated using a supplied function.
LongAdder	One or more variables that together maintain an initially zero `long` sum.
LongBinaryOperator	Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
LongBuffer	A long buffer.
LongConsumer	Represents an operation that accepts a single `long`-valued argument and returns no result.
LongFunction<R>	Represents a function that accepts a long-valued argument and produces a result.
LongPredicate	Represents a predicate (boolean-valued function) of one `long`-valued argument.
LongStream	A sequence of primitive long-valued elements supporting sequential and parallel aggregate operations.
LongStream.Builder	A mutable builder for a `LongStream`.
LongSummaryStatistics	A state object for collecting statistics such as count, min, max, sum, and average.
LongSupplier	Represents a supplier of `long`-valued results.
LongToDoubleFunction	Represents a function that accepts a long-valued argument and produces a double-valued result.
LongToIntFunction	Represents a function that accepts a long-valued argument and produces an int-valued result.
LongType	The type of all primitive `long` values accessed in the target VM.
LongUnaryOperator	Represents an operation on a single `long`-valued operand that produces a `long`-valued result.
LongValue	Provides access to a primitive `long` value in the target VM.
LookAndFeel	`LookAndFeel`, as the name implies, encapsulates a look and feel.
Lookup	A wrapper around `MethodHandles.Lookup` that masks checked exceptions.
LookupOp	This class implements a lookup operation from the source to the destination.
LookupTable	This abstract class defines a lookup table object.
LoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
LSException	Parser or write operations may throw an `LSException` if the processing is stopped.
LSInput	This interface represents an input source for data.
LSLoadEvent	This interface represents a load event object that signals the completion of a document load.
LSOutput	This interface represents an output destination for data.
LSParser	An interface to an object that is able to build, or augment, a DOM tree from various input sources.
LSParserFilter	`LSParserFilter`s provide applications the ability to examine nodes as they are being constructed while parsing.
LSProgressEvent	This interface represents a progress event object that notifies the application about progress as a document is parsed.
LSResourceResolver	`LSResourceResolver` provides a way for applications to redirect references to external resources.
LSSerializer	A `LSSerializer` provides an API for serializing (writing) a DOM document out into XML.
LSSerializerFilter	`LSSerializerFilter`s provide applications the ability to examine nodes as they are being serialized and decide what nodes should be serialized or not.
Mac	This class provides the functionality of a "Message Authentication Code" (MAC) algorithm.
MacSpi	This class defines the Service Provider Interface (SPI) for the `Mac` class.
Main	A legacy programmatic interface for the Java Programming Language compiler, javac.
MalformedInputException	Checked exception thrown when an input byte sequence is not legal for given charset, or an input character sequence is not a legal sixteen-bit Unicode sequence.
MalformedLinkException	This exception is thrown when a malformed link was encountered while resolving or constructing a link.
MalformedObjectNameException	The format of the string does not correspond to a valid ObjectName.
MalformedParameterizedTypeException	Thrown when a semantically malformed parameterized type is encountered by a reflective method that needs to instantiate it.
MalformedParametersException	Thrown when `the java.lang.reflect package` attempts to read method parameters from a class file and determines that one or more parameters are malformed.
MalformedURLException	Thrown to indicate that a malformed URL has occurred.
ManagementFactory	The `ManagementFactory` class is a factory class for getting managed beans for the Java platform.
ManagementPermission	The permission which the SecurityManager will check when code that is running with a SecurityManager calls methods defined in the management interface for the Java platform.
ManageReferralControl	Requests that referral and other special LDAP objects be manipulated as normal LDAP objects.
ManagerFactoryParameters	This class is the base interface for providing algorithm-specific information to a KeyManagerFactory or TrustManagerFactory.
Manifest	The Manifest class is used to maintain Manifest entry names and their associated Attributes.
Manifest	A representation of the XML `Manifest` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
Map<K,V>	An object that maps keys to values.
Map.Entry<K,V>	A map entry (key-value pair).
MappedByteBuffer	A direct byte buffer whose content is a memory-mapped region of a file.
MarshalException	A `MarshalException` is thrown if a `java.io.IOException` occurs while marshalling the remote call header, arguments or return value for a remote method call.
MarshalException	Indicates an exceptional condition that occurred during the XML marshalling or unmarshalling process.
MarshalledObject<T>	A `MarshalledObject` contains a byte stream with the serialized representation of an object given to its constructor.
MaskFormatter	`MaskFormatter` is used to format and edit strings.
Matcher	An engine that performs match operations on a character sequence by interpreting a `Pattern`.
MatchResult	The result of a match operation.
Math	The class `Math` contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
MathContext	Immutable objects which encapsulate the context settings which describe certain rules for numerical operators, such as those implemented by the `BigDecimal` class.
MatteBorder	A class which provides a matte-like border of either a solid color or a tiled icon.
MBeanAttributeInfo	Describes an MBean attribute exposed for management.
MBeanConstructorInfo	Describes a constructor exposed by an MBean.
MBeanException	Represents "user defined" exceptions thrown by MBean methods in the agent.
MBeanFeatureInfo	Provides general information for an MBean descriptor object.
MBeanInfo	Describes the management interface exposed by an MBean; that is, the set of attributes and operations which are available for management operations.
MBeanNotificationInfo	The `MBeanNotificationInfo` class is used to describe the characteristics of the different notification instances emitted by an MBean, for a given Java class of notification.
MBeanOperationInfo	Describes a management operation exposed by an MBean.
MBeanParameterInfo	Describes an argument of an operation exposed by an MBean.
MBeanPermission	Permission controlling access to MBeanServer operations.
MBeanRegistration	Can be implemented by an MBean in order to carry out operations before and after being registered or unregistered from the MBean Server.
MBeanRegistrationException	Wraps exceptions thrown by the preRegister(), preDeregister() methods of the `MBeanRegistration` interface.
MBeanServer	This is the interface for MBean manipulation on the agent side.
MBeanServerBuilder	This class represents a builder that creates a default `MBeanServer` implementation.
MBeanServerConnection	This interface represents a way to talk to an MBean server, whether local or remote.
MBeanServerDelegate	Represents the MBean server from the management point of view.
MBeanServerDelegateMBean	Defines the management interface of an object of class MBeanServerDelegate.
MBeanServerFactory	Provides MBean server references.
MBeanServerForwarder	An object of this class implements the MBeanServer interface and wraps another object that also implements that interface.
MBeanServerInvocationHandler	`InvocationHandler` that forwards methods in an MBean's management interface through the MBean server to the MBean.
MBeanServerNotification	Represents a notification emitted by the MBean Server through the MBeanServerDelegate MBean.
MBeanServerNotificationFilter	Filter for `MBeanServerNotification`.
MBeanServerPermission	A Permission to perform actions related to MBeanServers.
MBeanTrustPermission	This permission represents "trust" in a signer or codebase.
Media	Class `Media` is a printing attribute class that specifies the medium on which to print.
MediaList	The `MediaList` interface provides the abstraction of an ordered collection of media, without defining or constraining how this collection is implemented.
MediaName	Class `MediaName` is a subclass of `Media`, a printing attribute class (an enumeration) that specifies the media for a print job as a name.
MediaPrintableArea	Class `MediaPrintableArea` is a printing attribute used to distinguish the printable and non-printable areas of media.
MediaSize	Class `MediaSize` is a two-dimensional size valued printing attribute class that indicates the dimensions of the medium in a portrait orientation, with the `X` dimension running along the bottom edge and the `Y` dimension running along the left edge.
MediaSize.Engineering	Class `MediaSize.Engineering` includes `MediaSize` values for engineering media.
MediaSize.ISO	Class `MediaSize.ISO` includes `MediaSize` values for ISO media.
MediaSize.JIS	Class `MediaSize.JIS` includes `MediaSize` values for JIS (Japanese) media.
MediaSize.NA	Class `MediaSize.NA` includes `MediaSize` values for North American media.
MediaSize.Other	Class `MediaSize.Other` includes `MediaSize` values for miscellaneous media.
MediaSizeName	Class `MediaSizeName` is a subclass of `Media`.
MediaTracker	The `MediaTracker` class is a utility class to track the status of a number of media objects.
MediaTray	Class `MediaTray` is a subclass of `Media`.
Member	Member is an interface that reflects identifying information about a single member (a field or a method) or a constructor.
MemberReferenceTree	A tree node for a member reference expression.
MemberReferenceTree.ReferenceMode	There are two kinds of member references: (i) method references and (ii) constructor references
MemberSelectTree	A tree node for a member access expression.
MemberSelectTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
MembershipKey	A token representing the membership of an Internet Protocol (IP) multicast group.
MemoryAddress	Event field annotation, specifies that the value is a memory address.
MemoryCacheImageInputStream	An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
MemoryCacheImageOutputStream	An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.
MemoryHandler	`Handler` that buffers requests in a circular buffer in memory.
MemoryImageSource	This class is an implementation of the ImageProducer interface which uses an array to produce pixel values for an Image.
MemoryManagerMXBean	The management interface for a memory manager.
MemoryMXBean	The management interface for the memory system of the Java virtual machine.
MemoryNotificationInfo	The information about a memory notification.
MemoryPoolMXBean	The management interface for a memory pool.
MemoryType	Types of `memory pools`.
MemoryUsage	A `MemoryUsage` object represents a snapshot of memory usage.
Menu	A `Menu` object is a pull-down menu component that is deployed from a menu bar.
MenuBar	The `MenuBar` class encapsulates the platform's concept of a menu bar bound to a frame.
MenuBarUI	Pluggable look and feel interface for JMenuBar.
MenuComponent	The abstract class `MenuComponent` is the superclass of all menu-related components.
MenuContainer	The super class of all menu related containers.
MenuDragMouseEvent	MenuDragMouseEvent is used to notify interested parties that the menu element has received a MouseEvent forwarded to it under drag conditions.
MenuDragMouseListener	Defines a menu mouse-drag listener.
MenuElement	Any component that can be placed into a menu should implement this interface.
MenuEvent	MenuEvent is used to notify interested parties that the menu which is the event source has been posted, selected, or canceled.
MenuItem	All items in a menu must belong to the class `MenuItem`, or one of its subclasses.
MenuItemUI	Pluggable look and feel interface for JMenuItem.
MenuKeyEvent	MenuKeyEvent is used to notify interested parties that the menu element has received a KeyEvent forwarded to it in a menu tree.
MenuKeyListener	MenuKeyListener
MenuListener	Defines a listener for menu events.
MenuSelectionManager	A MenuSelectionManager owns the selection in menu hierarchy.
MenuShortcut	The `MenuShortcut` class represents a keyboard accelerator for a MenuItem.
MessageDigest	This MessageDigest class provides applications the functionality of a message digest algorithm, such as SHA-1 or SHA-256.
MessageDigestSpi	This class defines the Service Provider Interface (SPI) for the `MessageDigest` class, which provides the functionality of a message digest algorithm, such as MD5 or SHA.
MessageFormat	`MessageFormat` provides a means to produce concatenated messages in a language-neutral way.
MessageFormat.Field	Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `MessageFormat.formatToCharacterIterator`.
MessageInfo	The `MessageInfo` class provides additional ancillary information about messages.
MessageProp	This is a utility class used within the per-message GSSContext methods to convey per-message properties.
Messager	A `Messager` provides the way for an annotation processor to report error messages, warnings, and other notices.
MetadataDefinition	Meta annotation for defining new types of event metadata.
MetaEventListener	The `MetaEventListener` interface should be implemented by classes whose instances need to be notified when a `Sequencer` has processed a `MetaMessage`.
MetalBorders	Factory object that can vend Borders appropriate for the metal L & F.
MetalBorders.ButtonBorder	The class represents the border of a `JButton`.
MetalBorders.Flush3DBorder	The class represents the 3D border.
MetalBorders.InternalFrameBorder	The class represents the border of a `JInternalFrame`.
MetalBorders.MenuBarBorder	The class represents the border of a `JMenuBar`.
MetalBorders.MenuItemBorder	The class represents the border of a `JMenuItem`.
MetalBorders.OptionDialogBorder	The class represents the border of an option dialog.
MetalBorders.PaletteBorder	Border for a Palette.
MetalBorders.PopupMenuBorder	The class represents the border of a `JPopupMenu`.
MetalBorders.RolloverButtonBorder	The class represents the border of a rollover `Button`.
MetalBorders.ScrollPaneBorder	The class represents the border of a `JScrollPane`.
MetalBorders.TableHeaderBorder	Border for a Table Header
MetalBorders.TextFieldBorder	The class represents the border of a `JTestField`.
MetalBorders.ToggleButtonBorder
MetalBorders.ToolBarBorder	The class represents the border of a `JToolBar`.
MetalButtonUI	MetalButtonUI implementation
MetalCheckBoxIcon	CheckboxIcon implementation for OrganicCheckBoxUI
MetalCheckBoxUI	CheckboxUI implementation for MetalCheckboxUI
MetalComboBoxButton	JButton subclass to help out MetalComboBoxUI
MetalComboBoxEditor	The default editor for Metal editable combo boxes
MetalComboBoxEditor.UIResource	A subclass of BasicComboBoxEditor that implements UIResource.
MetalComboBoxIcon	This utility class draws the horizontal bars which indicate a MetalComboBox
MetalComboBoxUI	Metal UI for JComboBox
MetalDesktopIconUI	Metal desktop icon.
MetalFileChooserUI	Metal L&F implementation of a FileChooser.
MetalIconFactory	Factory object that vends `Icon`s for the Java™ look and feel (Metal).
MetalIconFactory.FileIcon16	Warning: Serialized objects of this class will not be compatible with future Swing releases.
MetalIconFactory.FolderIcon16	Warning: Serialized objects of this class will not be compatible with future Swing releases.
MetalIconFactory.PaletteCloseIcon	Defines an icon for Palette close
MetalIconFactory.TreeControlIcon	Warning: Serialized objects of this class will not be compatible with future Swing releases.
MetalIconFactory.TreeFolderIcon	Warning: Serialized objects of this class will not be compatible with future Swing releases.
MetalIconFactory.TreeLeafIcon	The class represents a tree leaf icon.
MetalInternalFrameTitlePane	Class that manages a JLF title bar
MetalInternalFrameUI	Metal implementation of JInternalFrame.
MetalLabelUI	A Windows L&F implementation of LabelUI.
MetalLookAndFeel	The Java Look and Feel, otherwise known as Metal.
MetalMenuBarUI	Metal implementation of `MenuBarUI`.
MetalPopupMenuSeparatorUI	A Metal L&F implementation of PopupMenuSeparatorUI.
MetalProgressBarUI	The Metal implementation of ProgressBarUI.
MetalRadioButtonUI	RadioButtonUI implementation for MetalRadioButtonUI
MetalRootPaneUI	Provides the metal look and feel implementation of `RootPaneUI`.
MetalScrollBarUI	Implementation of ScrollBarUI for the Metal Look and Feel
MetalScrollButton	JButton object for Metal scrollbar arrows.
MetalScrollPaneUI	A Metal L&F implementation of ScrollPaneUI.
MetalSeparatorUI	A Metal L&F implementation of SeparatorUI.
MetalSliderUI	A Java L&F implementation of SliderUI.
MetalSplitPaneUI	Metal split pane.
MetalTabbedPaneUI	The Metal subclass of BasicTabbedPaneUI.
MetalTextFieldUI	Basis of a look and feel for a JTextField.
MetalTheme	`MetalTheme` provides the color palette and fonts used by the Java Look and Feel.
MetalToggleButtonUI	MetalToggleButton implementation
MetalToolBarUI	A Metal Look and Feel implementation of ToolBarUI.
MetalToolTipUI	A Metal L&F extension of BasicToolTipUI.
MetalTreeUI	The metal look and feel implementation of `TreeUI`.
MetaMessage	A `MetaMessage` is a `MidiMessage` that is not meaningful to synthesizers, but that can be stored in a MIDI file and interpreted by a sequencer program.
Method	A static or instance method in the target VM.
Method	A `Method` provides information about, and access to, a single method on a class or interface.
MethodDescriptor	A MethodDescriptor describes a particular method that a Java Bean supports for external access from other components.
MethodEntryEvent	Notification of a method invocation in the target VM.
MethodEntryRequest	Request for notification when a method is invoked in the target VM.
MethodExitEvent	Notification of a method return in the target VM.
MethodExitRequest	Request for notification when a method returns in the target VM.
MethodHandle	A method handle is a typed, directly executable reference to an underlying method, constructor, field, or similar low-level operation, with optional transformations of arguments or return values.
MethodHandleDesc	A nominal descriptor for a `MethodHandle` constant.
MethodHandleInfo	A symbolic reference obtained by cracking a direct method handle into its consitutent symbolic parts.
MethodHandleProxies	This class consists exclusively of static methods that help adapt method handles to other JVM types, such as interfaces.
MethodHandles	This class consists exclusively of static methods that operate on or return method handles.
MethodHandles.Lookup	A lookup object is a factory for creating method handles, when the creation requires access checking.
MethodHandleTransformer	A generic interface describing operations that transform method handles.
MethodInvocationTree	A tree node for a method invocation expression.
MethodSnippet	Snippet for a method definition.
MethodTree	A tree node for a method or annotation type element declaration.
MethodType	A method type represents the arguments and return type accepted and returned by a method handle, or the arguments and return type passed and expected by a method handle caller.
MethodTypeConversionStrategy	Interface for objects representing a strategy for converting a method handle to a new type.
MethodTypeDesc	A nominal descriptor for a MethodType constant.
MGF1ParameterSpec	This class specifies the set of parameters used with mask generation function MGF1 in OAEP Padding and RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
MidiChannel	A `MidiChannel` object represents a single MIDI channel.
MidiDevice	`MidiDevice` is the base interface for all MIDI devices.
MidiDevice.Info	A `MidiDevice.Info` object contains assorted data about a `MidiDevice`, including its name, the company who created it, and descriptive text.
MidiDeviceProvider	A `MidiDeviceProvider` is a factory or provider for a particular type of MIDI device.
MidiDeviceReceiver	`MidiDeviceReceiver` is a `Receiver` which represents a MIDI input connector of a `MidiDevice` (see `MidiDevice.getReceiver()`).
MidiDeviceTransmitter	`MidiDeviceTransmitter` is a `Transmitter` which represents a MIDI input connector of a `MidiDevice` (see `MidiDevice.getTransmitter()`).
MidiEvent	MIDI events contain a MIDI message and a corresponding time-stamp expressed in ticks, and can represent the MIDI event information stored in a MIDI file or a `Sequence` object.
MidiFileFormat	A `MidiFileFormat` object encapsulates a MIDI file's type, as well as its length and timing information.
MidiFileReader	A `MidiFileReader` supplies MIDI file-reading services.
MidiFileWriter	A `MidiFileWriter` supplies MIDI file-writing services.
MidiMessage	`MidiMessage` is the base class for MIDI messages.
MidiSystem	The `MidiSystem` class provides access to the installed MIDI system resources, including devices such as synthesizers, sequencers, and MIDI input and output ports.
MidiUnavailableException	A `MidiUnavailableException` is thrown when a requested MIDI component cannot be opened or created because it is unavailable.
MimeTypeParseException	A class to encapsulate MimeType parsing related exceptions.
MinguoChronology	The Minguo calendar system.
MinguoDate	A date in the Minguo calendar system.
MinguoEra	An era in the Minguo calendar system.
MinimalHTMLWriter	MinimalHTMLWriter is a fallback writer used by the HTMLEditorKit to write out HTML for a document that is a not produced by the EditorKit.
Mirror	A proxy used by a debugger to examine or manipulate some entity in another virtual machine.
MirroredTypeException	Thrown when an application attempts to access the `Class` object corresponding to a `TypeMirror`.
MirroredTypesException	Thrown when an application attempts to access a sequence of `Class` objects each corresponding to a `TypeMirror`.
MissingFormatArgumentException	Unchecked exception thrown when there is a format specifier which does not have a corresponding argument or if an argument index refers to an argument that does not exist.
MissingFormatWidthException	Unchecked exception thrown when the format width is required.
MissingMemberHandlerFactory	A factory for creating method handles for linking missing member behavior in `BeansLinker`.
MissingResourceException	Signals that a resource is missing.
Mixer	A mixer is an audio device with one or more lines.
Mixer.Info	The `Mixer.Info` class represents information about an audio mixer, including the product's name, version, and vendor, along with a textual description.
MixerProvider	A provider or factory for a particular mixer type.
MLet	Allows you to instantiate and register one or several MBeans in the MBean server coming from a remote URL.
MLetContent	This class represents the contents of the `MLET` tag.
MLetMBean	Exposes the remote management interface of the MLet MBean.
ModelMBean	This interface must be implemented by the ModelMBeans.
ModelMBeanAttributeInfo	The ModelMBeanAttributeInfo object describes an attribute of the ModelMBean.
ModelMBeanConstructorInfo	The ModelMBeanConstructorInfo object describes a constructor of the ModelMBean.
ModelMBeanInfo	This interface is implemented by the ModelMBeanInfo for every ModelMBean.
ModelMBeanInfoSupport	This class represents the meta data for ModelMBeans.
ModelMBeanNotificationBroadcaster	This interface must be implemented by the ModelMBeans.
ModelMBeanNotificationInfo	The ModelMBeanNotificationInfo object describes a notification emitted by a ModelMBean.
ModelMBeanOperationInfo	The ModelMBeanOperationInfo object describes a management operation of the ModelMBean.
ModificationItem	This class represents a modification item.
ModificationWatchpointEvent	Notification of a field modification in the target VM.
ModificationWatchpointRequest	Request for notification when a field is set.
Modifier	The Modifier class provides `static` methods and constants to decode class and member access modifiers.
Modifier	Represents a modifier on a program element such as a class, method, or field.
ModifiersTree	A tree node for the modifiers, including annotations, for a declaration.
Module	Represents a run-time module, either `named` or unnamed.
ModuleDescriptor	A module descriptor.
ModuleDescriptor.Builder	A builder for building `ModuleDescriptor` objects.
ModuleDescriptor.Exports	A package exported by a module, may be qualified or unqualified.
ModuleDescriptor.Exports.Modifier	A modifier on an exported package.
ModuleDescriptor.Modifier	A modifier on a module.
ModuleDescriptor.Opens	A package opened by a module, may be qualified or unqualified.
ModuleDescriptor.Opens.Modifier	A modifier on an open package.
ModuleDescriptor.Provides	A service that a module provides one or more implementations of.
ModuleDescriptor.Requires	A dependence upon a module
ModuleDescriptor.Requires.Modifier	A modifier on a module dependence.
ModuleDescriptor.Version	A module's version string.
ModuleElement	Represents a module program element.
ModuleElement.Directive	Represents a directive within the declaration of this module.
ModuleElement.DirectiveKind	The `kind` of a directive.
ModuleElement.DirectiveVisitor<R,P>	A visitor of module directives, in the style of the visitor design pattern.
ModuleElement.ExportsDirective	An exported package of a module.
ModuleElement.OpensDirective	An opened package of a module.
ModuleElement.ProvidesDirective	An implementation of a service provided by a module.
ModuleElement.RequiresDirective	A dependency of a module.
ModuleElement.UsesDirective	A reference to a service used by a module.
ModuleFinder	A finder of modules.
ModuleLayer	A layer of modules in the Java virtual machine.
ModuleLayer.Controller	Controls a module layer.
ModuleReader	Provides access to the content of a module.
ModuleReference	A module in the target VM.
ModuleReference	A reference to a module's content.
ModuleTree	A tree node for a module declaration.
ModuleTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ModuleTree.ModuleKind	The kind of the module.
Monitor	Defines the part common to all monitor MBeans.
MonitorContendedEnteredEvent	Notification that a thread in the target VM is entering a monitor after waiting for it to be released by another thread.
MonitorContendedEnteredRequest	Request for notification of a thread in the target VM entering a monitor after waiting for it to be released by another thread.
MonitorContendedEnterEvent	Notification that a thread in the target VM is attempting to enter a monitor that is already acquired by another thread.
MonitorContendedEnterRequest	Request for notification of a thread in the target VM attempting to enter a monitor already acquired by another thread.
MonitorInfo	Information about a monitor owned by a thread.
MonitorInfo	Information about an object monitor lock.
MonitorMBean	Exposes the remote management interface of monitor MBeans.
MonitorNotification	Provides definitions of the notifications sent by monitor MBeans.
MonitorSettingException	Exception thrown by the monitor when a monitor setting becomes invalid while the monitor is running.
MonitorWaitedEvent	Notification that a thread in the target VM has finished waiting on an monitor object.
MonitorWaitedRequest	Request for notification when a thread in the target VM has finished waiting on a monitor object.
MonitorWaitEvent	Notification that a thread in the target VM is about to wait on a monitor object.
MonitorWaitRequest	Request for notification when a thread in the target VM is about to wait on a monitor object.
Month	A month-of-year, such as 'July'.
MonthDay	A month-day in the ISO-8601 calendar system, such as `--12-03`.
MouseAdapter	An abstract adapter class for receiving mouse events.
MouseDragGestureRecognizer	This abstract subclass of `DragGestureRecognizer` defines a `DragGestureRecognizer` for mouse-based gestures.
MouseEvent	An event which indicates that a mouse action occurred in a component.
MouseEvent	The `MouseEvent` interface provides specific contextual information associated with Mouse events.
MouseInfo	`MouseInfo` provides methods for getting information about the mouse, such as mouse pointer location and the number of mouse buttons.
MouseInputAdapter	An empty implementation of the `MouseInputListener` interface, provided as a convenience to simplify the task of creating listeners, by extending and implementing only the methods of interest.
MouseInputListener	A listener implementing all the methods in both the `MouseListener` and `MouseMotionListener` interfaces.
MouseListener	The listener interface for receiving "interesting" mouse events (press, release, click, enter, and exit) on a component.
MouseMotionAdapter	An abstract adapter class for receiving mouse motion events.
MouseMotionListener	The listener interface for receiving mouse motion events on a component.
MouseWheelEvent	An event which indicates that the mouse wheel was rotated in a component.
MouseWheelListener	The listener interface for receiving mouse wheel events on a component.
MultiButtonUI	A multiplexing UI used to combine `ButtonUI`s.
MulticastChannel	A network channel that supports Internet Protocol (IP) multicasting.
MulticastSocket	The multicast datagram socket class is useful for sending and receiving IP multicast packets.
MultiColorChooserUI	A multiplexing UI used to combine `ColorChooserUI`s.
MultiComboBoxUI	A multiplexing UI used to combine `ComboBoxUI`s.
MultiDesktopIconUI	A multiplexing UI used to combine `DesktopIconUI`s.
MultiDesktopPaneUI	A multiplexing UI used to combine `DesktopPaneUI`s.
MultiDoc	Interface `MultiDoc` specifies the interface for an object that supplies more than one piece of print data for a Print Job.
MultiDocPrintJob	Obtained from a `MultiDocPrintService`, a `MultiDocPrintJob` can print a specified collection of documents as a single print job with a set of job attributes.
MultiDocPrintService	Interface `MultiPrintService` is the factory for a `MultiDocPrintJob`.
MultiFileChooserUI	A multiplexing UI used to combine `FileChooserUI`s.
MultiInternalFrameUI	A multiplexing UI used to combine `InternalFrameUI`s.
MultiLabelUI	A multiplexing UI used to combine `LabelUI`s.
MultiListUI	A multiplexing UI used to combine `ListUI`s.
MultiLookAndFeel	A multiplexing look and feel that allows more than one UI to be associated with a component at the same time.
MultiMenuBarUI	A multiplexing UI used to combine `MenuBarUI`s.
MultiMenuItemUI	A multiplexing UI used to combine `MenuItemUI`s.
MultiOptionPaneUI	A multiplexing UI used to combine `OptionPaneUI`s.
MultiPanelUI	A multiplexing UI used to combine `PanelUI`s.
MultiPixelPackedSampleModel	The `MultiPixelPackedSampleModel` class represents one-banded images and can pack multiple one-sample pixels into one data element.
MultipleDocumentHandling	Class `MultipleDocumentHandling` is a printing attribute class, an enumeration, that controls finishing operations and the placement of one or more print-stream pages into impressions and onto media sheets.
MultipleGradientPaint	This is the superclass for Paints which use a multiple color gradient to fill in their raster.
MultipleGradientPaint.ColorSpaceType	The color space in which to perform the gradient interpolation.
MultipleGradientPaint.CycleMethod	The method to use when painting outside the gradient bounds.
MultipleMaster	The `MultipleMaster` interface represents Type 1 Multiple Master fonts.
MultiPopupMenuUI	A multiplexing UI used to combine `PopupMenuUI`s.
MultiProgressBarUI	A multiplexing UI used to combine `ProgressBarUI`s.
MultiResolutionImage	This interface is designed to be an optional additional API supported by some implementations of `Image` to allow them to provide alternate images for various rendering resolutions.
MultiRootPaneUI	A multiplexing UI used to combine `RootPaneUI`s.
MultiScrollBarUI	A multiplexing UI used to combine `ScrollBarUI`s.
MultiScrollPaneUI	A multiplexing UI used to combine `ScrollPaneUI`s.
MultiSeparatorUI	A multiplexing UI used to combine `SeparatorUI`s.
MultiSliderUI	A multiplexing UI used to combine `SliderUI`s.
MultiSpinnerUI	A multiplexing UI used to combine `SpinnerUI`s.
MultiSplitPaneUI	A multiplexing UI used to combine `SplitPaneUI`s.
MultiTabbedPaneUI	A multiplexing UI used to combine `TabbedPaneUI`s.
MultiTableHeaderUI	A multiplexing UI used to combine `TableHeaderUI`s.
MultiTableUI	A multiplexing UI used to combine `TableUI`s.
MultiTextUI	A multiplexing UI used to combine `TextUI`s.
MultiToolBarUI	A multiplexing UI used to combine `ToolBarUI`s.
MultiToolTipUI	A multiplexing UI used to combine `ToolTipUI`s.
MultiTreeUI	A multiplexing UI used to combine `TreeUI`s.
MultiViewportUI	A multiplexing UI used to combine `ViewportUI`s.
MutableAttributeSet	A generic interface for a mutable collection of unique attributes.
MutableCallSite	A `MutableCallSite` is a `CallSite` whose target variable behaves like an ordinary field.
MutableComboBoxModel<E>	A mutable version of `ComboBoxModel`.
MutableTreeNode	Defines the requirements for a tree node object that can change -- by adding or removing child nodes, or by changing the contents of a user object stored in the node.
MutationEvent	The `MutationEvent` interface provides specific contextual information associated with Mutation events.
MXBean	Annotation to mark an interface explicitly as being an MXBean interface, or as not being an MXBean interface.
Name	An immutable sequence of characters.
Name	The `Name` interface represents a generic name -- an ordered sequence of components.
Name	Annotation that overrides the default name for an element (for example, when the default package for an event is not appropriate).
NameAlreadyBoundException	This exception is thrown by methods to indicate that a binding cannot be added because the name is already bound to another object.
NameCallback	Underlying security services instantiate and pass a `NameCallback` to the `handle` method of a `CallbackHandler` to retrieve name information.
NameClassPair	This class represents the object name and class name pair of a binding found in a context.
NamedNodeMap	Objects implementing the `NamedNodeMap` interface are used to represent collections of nodes that can be accessed by name.
NamedOperation	Operation that associates a name with another operation.
NamedParameterSpec	This class is used to specify any algorithm parameters that are determined by a standard name.
NameList	The `NameList` interface provides the abstraction of an ordered collection of parallel pairs of name and namespace values (which could be null values), without defining or constraining how this collection is implemented.
NameNotFoundException	This exception is thrown when a component of the name cannot be resolved because it is not bound.
NameParser	This interface is used for parsing names from a hierarchical namespace.
Namespace	An interface that contains information about a namespace.
Namespace	An object that describes a namespace that is the target of a dynamic operation on an object.
NamespaceChangeListener	Specifies the methods that a listener interested in namespace changes must implement.
NamespaceContext	Interface for read only XML Namespace context processing.
NamespaceOperation	Describes an operation that operates on at least one `Namespace` of an object.
NamespaceSupport	Encapsulate Namespace logic for use by applications using SAX, or internally by SAX drivers.
Naming	The `Naming` class provides methods for storing and obtaining references to remote objects in a remote object registry.
NamingEnumeration<T>	This interface is for enumerating lists returned by methods in the javax.naming and javax.naming.directory packages.
NamingEvent	This class represents an event fired by a naming/directory service.
NamingException	This is the superclass of all exceptions thrown by operations in the Context and DirContext interfaces.
NamingExceptionEvent	This class represents an event fired when the procedures/processes used to collect information for notifying listeners of `NamingEvent`s threw a `NamingException`.
NamingListener	This interface is the root of listener interfaces that handle `NamingEvent`s.
NamingManager	This class contains methods for creating context objects and objects referred to by location information in the naming or directory service.
NamingSecurityException	This is the superclass of security-related exceptions thrown by operations in the Context and DirContext interfaces.
NashornException	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
NashornScriptEngine	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
NashornScriptEngineFactory	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Native	Indicates that a field defining a constant value may be referenced from native code.
NativeMethodException	Thrown to indicate an operation cannot be completed because it is not valid for a native method.
NavigableMap<K,V>	A `SortedMap` extended with navigation methods returning the closest matches for given search targets.
NavigableSet<E>	A `SortedSet` extended with navigation methods reporting closest matches for given search targets.
NavigationFilter	`NavigationFilter` can be used to restrict where the cursor can be positioned.
NavigationFilter.FilterBypass	Used as a way to circumvent calling back into the caret to position the cursor.
NClob	The mapping in the Java™ programming language for the SQL `NCLOB` type.
NegativeArraySizeException	Thrown if an application tries to create an array with negative size.
NestingKind	The nesting kind of a type element.
NetPermission	This class is for various network permissions.
NetworkChannel	A channel to a network socket.
NetworkInterface	This class represents a Network Interface made up of a name, and a list of IP addresses assigned to this interface.
NetworkPermission	Represents permission to access the extended networking capabilities defined in the jdk.net package.
NewArrayTree	A tree node for an expression to create a new instance of an array.
NewClassTree	A tree node to declare a new instance of a class.
NewTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
NimbusLookAndFeel	The NimbusLookAndFeel class.
NimbusStyle	A SynthStyle implementation used by Nimbus.
NoClassDefFoundError	Thrown if the Java Virtual Machine or a `ClassLoader` instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the `new` expression) and no definition of the class could be found.
NoConnectionPendingException	Unchecked exception thrown when the `finishConnect` method of a `SocketChannel` is invoked without first successfully invoking its `connect` method.
Node	The `Node` interface is the primary datatype for the entire Document Object Model.
NodeChangeEvent	An event emitted by a `Preferences` node to indicate that a child of that node has been added or removed.
NodeChangeListener	A listener for receiving preference node change events.
NodeFilter	Filters are objects that know how to "filter out" nodes.
NodeIterator	`NodeIterators` are used to step through a set of nodes, e.g.
NodeList	The `NodeList` interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented.
NodeSetData<T>	An abstract representation of a `Data` type containing a node-set.
NoInitialContextException	This exception is thrown when no initial context implementation can be created.
NoninvertibleTransformException	The `NoninvertibleTransformException` class represents an exception that is thrown if an operation is performed requiring the inverse of an `AffineTransform` object but the `AffineTransform` is in a non-invertible state.
NonReadableChannelException	Unchecked exception thrown when an attempt is made to read from a channel that was not originally opened for reading.
NonWritableChannelException	Unchecked exception thrown when an attempt is made to write to a channel that was not originally opened for writing.
NoPermissionException	This exception is thrown when attempting to perform an operation for which the client has no permission.
Normalizer	This class provides the method `normalize` which transforms Unicode text into an equivalent composed or decomposed form, allowing for easier sorting and searching of text.
Normalizer.Form	This enum provides constants of the four Unicode normalization forms that are described in Unicode Standard Annex #15 — Unicode Normalization Forms and two methods to access them.
NoRouteToHostException	Signals that an error occurred while attempting to connect a socket to a remote address and port.
NoSuchAlgorithmException	This exception is thrown when a particular cryptographic algorithm is requested but is not available in the environment.
NoSuchAttributeException	This exception is thrown when attempting to access an attribute that does not exist.
NoSuchDynamicMethodException	Thrown at the invocation if the call site can not be linked by any available `GuardingDynamicLinker`.
NoSuchElementException	Thrown by various accessor methods to indicate that the element being requested does not exist.
NoSuchFieldError	Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field.
NoSuchFieldException	Signals that the class doesn't have a field of a specified name.
NoSuchFileException	Checked exception thrown when an attempt is made to access a file that does not exist.
NoSuchMechanismException	This exception is thrown when a particular XML mechanism is requested but is not available in the environment.
NoSuchMethodError	Thrown if an application tries to call a specified method of a class (either static or instance), and that class no longer has a definition of that method.
NoSuchMethodException	Thrown when a particular method cannot be found.
NoSuchObjectException	A `NoSuchObjectException` is thrown if an attempt is made to invoke a method on an object that no longer exists in the remote virtual machine.
NoSuchPaddingException	This exception is thrown when a particular padding mechanism is requested but is not available in the environment.
NoSuchProviderException	This exception is thrown when a particular security provider is requested but is not available in the environment.
NotActiveException	Thrown when serialization or deserialization is not active.
Notation	This interface represents a notation declared in the DTD.
NotationDeclaration	An interface for handling Notation Declarations Receive notification of a notation declaration event.
NotBoundException	A `NotBoundException` is thrown if an attempt is made to lookup or unbind in the registry a name that has no associated binding.
NotCompliantMBeanException	Exception which occurs when trying to register an object in the MBean server that is not a JMX compliant MBean.
NotContextException	This exception is thrown when a naming operation proceeds to a point where a context is required to continue the operation, but the resolved object is not a context.
NotDirectoryException	Checked exception thrown when a file system operation, intended for a directory, fails because the file is not a directory.
Notification	A notification from the SCTP stack.
Notification	The Notification class represents a notification emitted by an MBean.
NotificationBroadcaster	Interface implemented by an MBean that emits Notifications.
NotificationBroadcasterSupport	Provides an implementation of `NotificationEmitter` interface.
NotificationEmitter	Interface implemented by an MBean that emits Notifications.
NotificationFilter	To be implemented by a any class acting as a notification filter.
NotificationFilterSupport	Provides an implementation of the `NotificationFilter` interface.
NotificationHandler<T>	A handler for consuming notifications from the SCTP stack.
NotificationListener	Should be implemented by an object that wants to receive notifications.
NotificationResult	Result of a query for buffered notifications.
NotLinkException	Checked exception thrown when a file system operation fails because a file is not a symbolic link.
NotOwnerException	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
NotSerializableException	Thrown when an instance is required to have a Serializable interface.
NotYetBoundException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a server socket channel that is not yet bound.
NotYetConnectedException	Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a socket channel that is not yet connected.
NoType	A pseudo-type used where no actual type is appropriate.
NTDomainPrincipal	This class implements the `Principal` interface and represents the name of the Windows NT domain into which the user authenticated.
NTLoginModule	This `LoginModule` renders a user's NT security information as some number of `Principal`s and associates them with a `Subject`.
NTNumericCredential	This class abstracts an NT security token and provides a mechanism to do same-process security impersonation.
NTSid	This class implements the `Principal` interface and represents information about a Windows NT user, group or realm.
NTSidDomainPrincipal	This class extends `NTSid` and represents a Windows NT user's domain SID.
NTSidGroupPrincipal	This class extends `NTSid` and represents one of the groups to which a Windows NT user belongs.
NTSidPrimaryGroupPrincipal	This class extends `NTSid` and represents a Windows NT user's primary group SID.
NTSidUserPrincipal	This class extends `NTSid` and represents a Windows NT user's SID.
NTSystem	This class implementation retrieves and makes available NT security information for the current user.
NTUserPrincipal	This class implements the `Principal` interface and represents a Windows NT user.
NullCipher	The NullCipher class is a class that provides an "identity cipher" -- one that does not transform the plain text.
NullPointerException	Thrown when an application attempts to use `null` in a case where an object is required.
NullType	Represents the null type.
Number	The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
NumberFormat	`NumberFormat` is the abstract base class for all number formats.
NumberFormat.Field	Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `NumberFormat.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
NumberFormat.Style	A number format style.
NumberFormatException	Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
NumberFormatProvider	An abstract class for service providers that provide concrete implementations of the `NumberFormat` class.
NumberFormatter	`NumberFormatter` subclasses `InternationalFormatter` adding special behavior for numbers.
NumberOfDocuments	Class `NumberOfDocuments` is an integer valued printing attribute that indicates the number of individual docs the printer has accepted for this job, regardless of whether the docs' print data has reached the printer or not.
NumberOfInterveningJobs	Class `NumberOfInterveningJobs` is an integer valued printing attribute that indicates the number of jobs that are ahead of this job in the relative chronological order of expected time to complete (i.e., the current scheduled order).
NumberUp	Class `NumberUp` is an integer valued printing attribute class that specifies the number of print-stream pages to impose upon a single side of an instance of a selected medium.
NumberUpSupported	Class `NumberUpSupported` is a printing attribute class, a set of integers, that gives the supported values for a `NumberUp` attribute.
NumericShaper	The `NumericShaper` class is used to convert Latin-1 (European) digits to other Unicode decimal digits.
NumericShaper.Range	A `NumericShaper.Range` represents a Unicode range of a script having its own decimal digits.
OAEPParameterSpec	This class specifies the set of parameters used with OAEP Padding, as defined in the PKCS#1 v2.2 standard.
ObjDoubleConsumer<T>	Represents an operation that accepts an object-valued and a `double`-valued argument, and returns no result.
Object	Class `Object` is the root of the class hierarchy.
ObjectChangeListener	Specifies the method that a listener of a `NamingEvent` with event type of `OBJECT_CHANGED` must implement.
ObjectCollectedException	Thrown to indicate that the requested operation cannot be completed because the specified object has been garbage collected.
ObjectFactory	This interface represents a factory for creating an object.
ObjectFactoryBuilder	This interface represents a builder that creates object factories.
ObjectInput	ObjectInput extends the DataInput interface to include the reading of objects.
ObjectInputFilter	Filter classes, array lengths, and graph metrics during deserialization.
ObjectInputFilter.Config	A utility class to set and get the system-wide filter or create a filter from a pattern string.
ObjectInputFilter.FilterInfo	FilterInfo provides access to information about the current object being deserialized and the status of the `ObjectInputStream`.
ObjectInputFilter.Status	The status of a check on the class, array length, number of references, depth, and stream size.
ObjectInputStream	An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
ObjectInputStream.GetField	Provide access to the persistent fields read from the input stream.
ObjectInputValidation	Callback interface to allow validation of objects within a graph.
ObjectInstance	Used to represent the object name of an MBean and its class name.
ObjectLiteralTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ObjectName	Represents the object name of an MBean, or a pattern that can match the names of several MBeans.
ObjectOutput	ObjectOutput extends the DataOutput interface to include writing of objects.
ObjectOutputStream	An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
ObjectOutputStream.PutField	Provide programmatic access to the persistent fields to be written to ObjectOutput.
ObjectReference	An object that currently exists in the target VM.
Objects	This class consists of `static` utility methods for operating on objects, or checking certain conditions before operation.
ObjectStreamClass	Serialization's descriptor for classes.
ObjectStreamConstants	Constants written into the Object Serialization Stream.
ObjectStreamException	Superclass of all exceptions specific to Object Stream classes.
ObjectStreamField	A description of a Serializable field from a Serializable class.
ObjectView	Component decorator that implements the view interface for <object> elements.
ObjID	An `ObjID` is used to identify a remote object exported to an RMI runtime.
ObjIntConsumer<T>	Represents an operation that accepts an object-valued and a `int`-valued argument, and returns no result.
ObjLongConsumer<T>	Represents an operation that accepts an object-valued and a `long`-valued argument, and returns no result.
Observable	Deprecated. This class and the `Observer` interface have been deprecated.
Observer	Deprecated. This interface has been deprecated.
OceanTheme	The default theme for the `MetalLookAndFeel`.
OctetStreamData	A representation of a `Data` type containing an octet stream.
OffsetDateTime	A date-time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as `2007-12-03T10:15:30+01:00`.
OffsetTime	A time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as `10:15:30+01:00`.
Oid	This class represents Universal Object Identifiers (Oids) and their associated operations.
OpenDataException	This checked exception is thrown when an open type, an open data or an open MBean metadata info instance could not be constructed because one or more validity constraints were not met.
OpenFilesEvent	Event sent when the app is asked to open a list of files.
OpenFilesHandler	An implementor is notified when the application is asked to open a list of files.
OpenMBeanAttributeInfo	Describes an attribute of an open MBean.
OpenMBeanAttributeInfoSupport	Describes an attribute of an open MBean.
OpenMBeanConstructorInfo	Describes a constructor of an Open MBean.
OpenMBeanConstructorInfoSupport	Describes a constructor of an Open MBean.
OpenMBeanInfo	Describes an Open MBean: an Open MBean is recognized as such if its `getMBeanInfo()` method returns an instance of a class which implements the `OpenMBeanInfo` interface, typically `OpenMBeanInfoSupport`.
OpenMBeanInfoSupport	The `OpenMBeanInfoSupport` class describes the management information of an open MBean: it is a subclass of `MBeanInfo`, and it implements the `OpenMBeanInfo` interface.
OpenMBeanOperationInfo	Describes an operation of an Open MBean.
OpenMBeanOperationInfoSupport	Describes an operation of an Open MBean.
OpenMBeanParameterInfo	Describes a parameter used in one or more operations or constructors of an open MBean.
OpenMBeanParameterInfoSupport	Describes a parameter used in one or more operations or constructors of an open MBean.
OpenOption	An object that configures how to open or create a file.
OpensTree	A tree node for an 'opens' directive in a module declaration.
OpenType	The `OpenType` interface represents OpenType and TrueType fonts.
OpenType<T>	The `OpenType` class is the parent abstract class of all classes which describe the actual open type of open data values.
OpenURIEvent	Event sent when the app is asked to open a `URI`.
OpenURIHandler	An implementor is notified when the application is asked to open a URI.
OperatingSystemMXBean	Platform-specific management interface for the operating system on which the Java virtual machine is running.
OperatingSystemMXBean	The management interface for the operating system on which the Java virtual machine is running.
Operation	Deprecated. no replacement
Operation	An object that describes a dynamic operation.
OperationNotSupportedException	This exception is thrown when a context implementation does not support the operation being invoked.
OperationsException	Represents exceptions thrown in the MBean server when performing operations on MBeans.
Option	Value for the ListModel used to represent <option> elements.
Optional<T>	A container object which may or may not contain a non-`null` value.
OptionalDataException	Exception indicating the failure of an object read operation due to unread primitive data, or the end of data belonging to a serialized object in the stream.
OptionalDouble	A container object which may or may not contain a `double` value.
OptionalInt	A container object which may or may not contain an `int` value.
OptionalLong	A container object which may or may not contain a `long` value.
OptionChecker	Interface for recognizing options.
OptionPaneUI	Pluggable look and feel interface for JOptionPane.
OrientationRequested	Class `OrientationRequested` is a printing attribute class, an enumeration, that indicates the desired orientation for printed print-stream pages; it does not describe the orientation of the client-supplied print-stream pages.
OutOfMemoryError	Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector.
OutputDeviceAssigned	Class `OutputDeviceAssigned` is a printing attribute class, a text attribute, that identifies the output device to which the service has assigned this job.
OutputKeys	Provides string constants that can be used to set output properties for a Transformer, or to retrieve output properties from a Transformer or Templates object.
OutputStream	This abstract class is the superclass of all classes representing an output stream of bytes.
OutputStreamWriter	An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified `charset`.
OverlappingFileLockException	Unchecked exception thrown when an attempt is made to acquire a lock on a region of a file that overlaps a region already locked by the same Java virtual machine, or when another thread is already waiting to lock an overlapping region of the same file.
OverlayLayout	A layout manager to arrange components over the top of each other.
Override	Indicates that a method declaration is intended to override a method declaration in a supertype.
Owner	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
Pack200	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated, and is planned for removal in a future release.
Pack200.Packer	Deprecated, for removal: This API element is subject to removal in a future version. This interface is deprecated, and is planned for removal in a future release.
Pack200.Unpacker	Deprecated, for removal: This API element is subject to removal in a future version. This interface is deprecated, and is planned for removal in a future release.
Package	Represents metadata about a run-time package associated with a class loader.
PackageElement	Represents a package program element.
PackageTree	Represents the package declaration.
PackedColorModel	The `PackedColorModel` class is an abstract `ColorModel` class that works with pixel values which represent color and alpha information as separate samples and which pack all samples for a single pixel into a single int, short, or byte quantity.
Pageable	The `Pageable` implementation represents a set of pages to be printed.
PageAttributes	A set of attributes which control the output of a printed page.
PageAttributes.ColorType	A type-safe enumeration of possible color states.
PageAttributes.MediaType	A type-safe enumeration of possible paper sizes.
PageAttributes.OrientationRequestedType	A type-safe enumeration of possible orientations.
PageAttributes.OriginType	A type-safe enumeration of possible origins.
PageAttributes.PrintQualityType	A type-safe enumeration of possible print qualities.
PagedResultsControl	Requests that the results of a search operation be returned by the LDAP server in batches of a specified size.
PagedResultsResponseControl	Indicates the end of a batch of search results.
PageFormat	The `PageFormat` class describes the size and orientation of a page to be printed.
PageRanges	Class `PageRanges` is a printing attribute class, a set of integers, that identifies the range(s) of print-stream pages that the Printer object uses for each copy of each document which are to be printed.
PagesPerMinute	Class `PagesPerMinute` is an integer valued printing attribute that indicates the nominal number of pages per minute to the nearest whole number which may be generated by this printer (e.g., simplex, black-and-white).
PagesPerMinuteColor	Class `PagesPerMinuteColor` is an integer valued printing attribute that indicates the nominal number of pages per minute to the nearest whole number which may be generated by this printer when printing color (e.g., simplex, color).
Paint	This `Paint` interface defines how color patterns can be generated for `Graphics2D` operations.
PaintContext	The `PaintContext` interface defines the encapsulated and optimized environment to generate color patterns in device space for fill or stroke operations on a `Graphics2D`.
Painter<T>	A painting delegate.
PaintEvent	The component-level paint event.
Panel	`Panel` is the simplest container class.
PanelUI	Pluggable look and feel interface for Panel.
Paper	The `Paper` class describes the physical characteristics of a piece of paper.
ParagraphView	Displays the a paragraph, and uses css attributes for its configuration.
ParagraphView	View of a simple line-wrapping paragraph that supports multiple fonts, colors, components, icons, etc.
Parameter	Information about method parameters.
ParameterBlock	A `ParameterBlock` encapsulates all the information about sources and parameters (Objects) required by a RenderableImageOp, or other classes that process images.
ParameterDescriptor	The ParameterDescriptor class allows bean implementors to provide additional information on each of their parameters, beyond the low level type information provided by the java.lang.reflect.Method class.
Parameterizable	A mixin interface for an element that has type parameters.
ParameterizedType	ParameterizedType represents a parameterized type such as Collection<String>.
ParameterizedTypeTree	A tree node for a type expression involving type parameters.
ParameterMetaData	An object that can be used to get information about the types and properties for each parameter marker in a `PreparedStatement` object.
ParameterNameProvider	A provider for parameter names when the parameter names are not determined from a reliable source, like a classfile.
ParamTree	A tree node for an @param block tag.
ParenthesizedTree	A tree node for a parenthesized expression.
ParenthesizedTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ParseException	Signals that an error has been reached unexpectedly while parsing.
ParsePosition	`ParsePosition` is a simple class used by `Format` and its subclasses to keep track of the current position during parsing.
Parser	A simple DTD-driven HTML parser.
Parser	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Parser	Deprecated. This interface has been replaced by the SAX2 `XMLReader` interface, which includes Namespace support.
ParserAdapter	Adapt a SAX1 Parser as a SAX2 XMLReader.
ParserConfigurationException	Indicates a serious configuration error.
ParserDelegator	Responsible for starting up a new DocumentParser each time its parse method is invoked.
ParserFactory	Deprecated. This class works with the deprecated `Parser` interface.
PartialResultException	This exception is thrown to indicate that the result being returned or returned so far is partial, and that the operation cannot be completed.
PasswordAuthentication	The class PasswordAuthentication is a data holder that is used by Authenticator.
PasswordCallback	Underlying security services instantiate and pass a `PasswordCallback` to the `handle` method of a `CallbackHandler` to retrieve password information.
PasswordView	Implements a View suitable for use in JPasswordField UI implementations.
Patch	A `Patch` object represents a location, on a MIDI synthesizer, into which a single instrument is stored (loaded).
Path	An object that may be used to locate a file in a file system.
Path2D	The `Path2D` class provides a simple, yet flexible shape which represents an arbitrary geometric path.
Path2D.Double	The `Double` class defines a geometric path with coordinates stored in double precision floating point.
Path2D.Float	The `Float` class defines a geometric path with coordinates stored in single precision floating point.
PathIterator	The `PathIterator` interface provides the mechanism for objects that implement the `Shape` interface to return the geometry of their boundary by allowing a caller to retrieve the path of that boundary a segment at a time.
PathMatcher	An interface that is implemented by objects that perform match operations on paths.
Paths	This class consists exclusively of static methods that return a `Path` by converting a path string or `URI`.
PathSearchingVirtualMachine	A virtual machine which searches for classes through paths
Pattern	A compiled representation of a regular expression.
PatternSyntaxException	Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.
PBEKey	The interface to a PBE key.
PBEKeySpec	A user-chosen password that can be used with password-based encryption (PBE).
PBEParameterSpec	This class specifies the set of parameters used with password-based encryption (PBE), as defined in the PKCS #5 standard.
PDLOverrideSupported	Class `PDLOverrideSupported` is a printing attribute class, an enumeration, that expresses the printer's ability to attempt to override processing instructions embedded in documents' print data with processing instructions specified as attributes outside the print data.
PeerAddressChangeNotification	Notification emitted when a destination address on a multi-homed peer encounters a change.
PeerAddressChangeNotification.AddressChangeEvent	Defines the type of address change event that occurred to the destination address on a multi-homed peer when it encounters a change of interface details.
Percentage	Event field annotation to use on fractions, typically between `0.0` and `1.0`, to specify that the value is a percentage.
Period	A date-based amount of time in the ISO-8601 calendar system, such as '2 years, 3 months and 4 days'.
Period	Event annotation, specifies the default setting value for a periodic event.
Permission	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
Permission	Abstract class for representing access to a system resource.
PermissionCollection	Abstract class representing a collection of Permission objects.
Permissions	This class represents a heterogeneous collection of Permissions.
PersistenceDelegate	The PersistenceDelegate class takes the responsibility for expressing the state of an instance of a given class in terms of the methods in the class's public API.
PersistentMBean	This class is the interface to be implemented by MBeans that are meant to be persistent.
PersistentSnippet	Grouping for Snippets which persist and influence future code.
PGPData	A representation of the XML `PGPData` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
PhantomReference<T>	Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.
Phaser	A reusable synchronization barrier, similar in functionality to `CyclicBarrier` and `CountDownLatch` but supporting more flexible usage.
Pipe	A pair of channels that implements a unidirectional pipe.
Pipe.SinkChannel	A channel representing the writable end of a `Pipe`.
Pipe.SourceChannel	A channel representing the readable end of a `Pipe`.
PipedInputStream	A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
PipedOutputStream	A piped output stream can be connected to a piped input stream to create a communications pipe.
PipedReader	Piped character-input streams.
PipedWriter	Piped character-output streams.
PixelGrabber	The PixelGrabber class implements an ImageConsumer which can be attached to an Image or ImageProducer object to retrieve a subset of the pixels in that image.
PixelInterleavedSampleModel	This class represents image data which is stored in a pixel interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
PKCS12Attribute	An attribute associated with a PKCS12 keystore entry.
PKCS8EncodedKeySpec	This class represents the ASN.1 encoding of a private key, encoded according to the ASN.1 type `PrivateKeyInfo`.
PKIXBuilderParameters	Parameters used as input for the PKIX `CertPathBuilder` algorithm.
PKIXCertPathBuilderResult	This class represents the successful result of the PKIX certification path builder algorithm.
PKIXCertPathChecker	An abstract class that performs one or more checks on an `X509Certificate`.
PKIXCertPathValidatorResult	This class represents the successful result of the PKIX certification path validation algorithm.
PKIXParameters	Parameters used as input for the PKIX `CertPathValidator` algorithm.
PKIXReason	The `PKIXReason` enumerates the potential PKIX-specific reasons that an X.509 certification path may be invalid according to the PKIX (RFC 5280) standard.
PKIXRevocationChecker	A `PKIXCertPathChecker` for checking the revocation status of certificates with the PKIX algorithm.
PKIXRevocationChecker.Option	Various revocation options that can be specified for the revocation checking mechanism.
PlainDocument	A plain document that maintains no character attributes.
PlainView	Implements View interface for a simple multi-line text view that has text in one font and color.
PlatformLoggingMXBean	The management interface for the logging facility.
PlatformManagedObject	A platform managed object is a JMX MXBean for monitoring and managing a component in the Java platform.
Plugin	The interface for a javac plug-in.
Point	A point representing a location in `(x,y)` coordinate space, specified in integer precision.
Point2D	The `Point2D` class defines a point representing a location in `(x,y)` coordinate space.
Point2D.Double	The `Double` class defines a point specified in `double` precision.
Point2D.Float	The `Float` class defines a point specified in float precision.
PointerInfo	A class that describes the pointer position.
Policy	A Policy object is responsible for determining whether code executing in the Java runtime environment has permission to perform a security-sensitive operation.
Policy.Parameters	This represents a marker interface for Policy parameters.
PolicyNode	An immutable valid policy tree node as defined by the PKIX certification path validation algorithm.
PolicyQualifierInfo	An immutable policy qualifier represented by the ASN.1 PolicyQualifierInfo structure.
PolicySpi	This class defines the Service Provider Interface (SPI) for the `Policy` class.
Polygon	The `Polygon` class encapsulates a description of a closed, two-dimensional region within a coordinate space.
PooledConnection	An object that provides hooks for connection pool management.
PooledConnectionBuilder	A builder created from a `ConnectionPoolDataSource` object, used to establish a connection to the database that the `data source` object represents.
Popup	Popups are used to display a `Component` to the user, typically on top of all the other `Component`s in a particular containment hierarchy.
PopupFactory	`PopupFactory`, as the name implies, is used to obtain instances of `Popup`s.
PopupMenu	A class that implements a menu which can be dynamically popped up at a specified position within a component.
PopupMenuEvent	PopupMenuEvent only contains the source of the event which is the JPopupMenu sending the event
PopupMenuListener	A popup menu listener
PopupMenuUI	Pluggable look and feel interface for JPopupMenu.
Port	Ports are simple lines for input or output of audio to or from audio devices.
Port.Info	The `Port.Info` class extends `Line.Info` with additional information specific to ports, including the port's name and whether it is a source or a target for its mixer.
PortUnreachableException	Signals that an ICMP Port Unreachable message has been received on a connected datagram.
Position	Represents a location within a document.
Position.Bias	A typesafe enumeration to indicate bias to a position in the model.
PosixFileAttributes	File attributes associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.
PosixFileAttributeView	A file attribute view that provides a view of the file attributes commonly associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.
PosixFilePermission	Defines the bits for use with the `permissions` attribute.
PosixFilePermissions	This class consists exclusively of static methods that operate on sets of `PosixFilePermission` objects.
Predicate<T>	Represents a predicate (boolean-valued function) of one argument.
Predicate	The standard interface that provides the framework for all `FilteredRowSet` objects to describe their filters.
PreferenceChangeEvent	An event emitted by a `Preferences` node to indicate that a preference has been added, removed or has had its value changed.
PreferenceChangeListener	A listener for receiving preference change events.
Preferences	A node in a hierarchical collection of preference data.
PreferencesEvent	Event sent when the application is asked to open its preferences window.
PreferencesFactory	A factory object that generates Preferences objects.
PreferencesHandler	An implementor is notified when the app is asked to show its preferences UI.
PreparedStatement	An object that represents a precompiled SQL statement.
PresentationDirection	Class `PresentationDirection` is a printing attribute class, an enumeration, that is used in conjunction with the `NumberUp` attribute to indicate the layout of multiple print-stream pages to impose upon a single side of an instance of a selected medium.
PrimitiveIterator<T,T_CONS>	A base type for primitive specializations of `Iterator`.
PrimitiveIterator.OfDouble	An Iterator specialized for `double` values.
PrimitiveIterator.OfInt	An Iterator specialized for `int` values.
PrimitiveIterator.OfLong	An Iterator specialized for `long` values.
PrimitiveType	The type associated with non-object values in a target VM.
PrimitiveType	Represents a primitive type.
PrimitiveTypeTree	A tree node for a primitive type.
PrimitiveValue	The value assigned to a field or variable of primitive type in a target VM.
Principal	This interface represents the abstract notion of a principal, which can be used to represent any entity, such as an individual, a corporation, and a login id.
PrincipalComparator	An object that implements the `java.security.Principal` interface typically also implements this interface to provide a means for comparing that object to a specified `Subject`.
Printable	The `Printable` interface is implemented by the `print` methods of the current page painter, which is called by the printing system to render a page.
PrinterAbortException	The `PrinterAbortException` class is a subclass of `PrinterException` and is used to indicate that a user or application has terminated the print job while it was in the process of printing.
PrinterException	The `PrinterException` class and its subclasses are used to indicate that an exceptional condition has occurred in the print system.
PrinterGraphics	The `PrinterGraphics` interface is implemented by `Graphics` objects that are passed to `Printable` objects to render a page.
PrinterInfo	Class `PrinterInfo` is a printing attribute class, a text attribute, that provides descriptive information about a printer.
PrinterIOException	The `PrinterIOException` class is a subclass of `PrinterException` and is used to indicate that an IO error of some sort has occurred while printing.
PrinterIsAcceptingJobs	Class `PrinterIsAcceptingJobs` is a printing attribute class, an enumeration, that indicates whether the printer is currently able to accept jobs.
PrinterJob	The `PrinterJob` class is the principal class that controls printing.
PrinterLocation	Class `PrinterLocation` is a printing attribute class, a text attribute, that identifies the location of the device.
PrinterMakeAndModel	Class `PrinterMakeAndModel` is a printing attribute class, a text attribute, that the make and model of the printer.
PrinterMessageFromOperator	Class `PrinterMessageFromOperator` is a printing attribute class, a text attribute, that provides a message from an operator, system administrator, or "intelligent" process to indicate to the end user information about or status of the printer, such as why it is unavailable or when it is expected to be available.
PrinterMoreInfo	Class `PrinterMoreInfo` is a printing attribute class, a `URI`, that is used to obtain more information about this specific printer.
PrinterMoreInfoManufacturer	Class `PrinterMoreInfoManufacturer` is a printing attribute class, a `URI`, that is used to obtain more information about this type of device.
PrinterName	Class `PrinterName` is a printing attribute class, a text attribute, that specifies the name of a printer.
PrinterResolution	Class `PrinterResolution` is a printing attribute class that specifies an exact resolution supported by a printer or to be used for a print job.
PrinterState	Class `PrinterState` is a printing attribute class, an enumeration, that identifies the current state of a printer.
PrinterStateReason	Class `PrinterStateReason` is a printing attribute class, an enumeration, that provides additional information about the printer's current state, i.e., information that augments the value of the printer's `PrinterState` attribute.
PrinterStateReasons	Class `PrinterStateReasons` is a printing attribute class, a set of enumeration values, that provides additional information about the printer's current state, i.e., information that augments the value of the printer's `PrinterState` attribute.
PrinterURI	Class `PrinterURI` is a printing attribute class, a `URI`, that specifies the globally unique name of a printer.
PrintEvent	Class `PrintEvent` is the super class of all Print Service API events.
PrintException	Class `PrintException` encapsulates a printing-related error condition that occurred while using a Print Service instance.
PrintFilesEvent	Event sent when the app is asked to print a list of files.
PrintFilesHandler	An implementor can respond to requests to print documents that the app has been registered to handle.
PrintGraphics	An abstract class which provides a print graphics context for a page.
PrintJob	An abstract class which initiates and executes a print job.
PrintJobAdapter	An abstract adapter class for receiving print job events.
PrintJobAttribute	`PrintJobAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the status of a Print Job or some other characteristic of a Print Job.
PrintJobAttributeEvent	Class `PrintJobAttributeEvent` encapsulates an event a `PrintService` reports to let the client know that one or more printing attributes for a `PrintJob` have changed.
PrintJobAttributeListener	Implementations of this interface are attached to a `DocPrintJob` to monitor the status of attribute changes associated with the print job.
PrintJobAttributeSet	Interface `PrintJobAttributeSet` specifies the interface for a set of print job attributes, i.e. printing attributes that implement interface `PrintJobAttribute`.
PrintJobEvent	Class `PrintJobEvent` encapsulates common events a print job reports to let a listener know of progress in the processing of the `DocPrintJob`.
PrintJobListener	Implementations of this listener interface should be attached to a `DocPrintJob` to monitor the status of the printer job.
PrintQuality	Class `PrintQuality` is a printing attribute class, an enumeration, that specifies the print quality that the printer uses for the job.
PrintRequestAttribute	Interface `PrintRequestAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute denotes a requested setting for a print job.
PrintRequestAttributeSet	Interface `PrintRequestAttributeSet` specifies the interface for a set of print request attributes, i.e. printing attributes that implement interface `PrintRequestAttribute`.
PrintService	Interface `PrintService` is the factory for a `DocPrintJob`.
PrintServiceAttribute	Interface `PrintServiceAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the status of a Print Service or some other characteristic of a Print Service.
PrintServiceAttributeEvent	Class `PrintServiceAttributeEvent` encapsulates an event a Print Service instance reports to let the client know of changes in the print service state.
PrintServiceAttributeListener	Implementations of this listener interface are attached to a `PrintService` to monitor the status of the print service.
PrintServiceAttributeSet	Interface `PrintServiceAttributeSet` specifies the interface for a set of print job attributes, i.e. printing attributes that implement interface `PrintServiceAttribute`.
PrintServiceLookup	Implementations of this class provide lookup services for print services (typically equivalent to printers) of a particular type.
PrintStream	A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
PrintWriter	Prints formatted representations of objects to a text-output stream.
PriorityBlockingQueue<E>	An unbounded blocking queue that uses the same ordering rules as class `PriorityQueue` and supplies blocking retrieval operations.
PriorityQueue<E>	An unbounded priority queue based on a priority heap.
PrivateClassLoader	Marker interface indicating that a ClassLoader should not be added to the `ClassLoaderRepository`.
PrivateCredentialPermission	This class is used to protect access to private Credentials belonging to a particular `Subject`.
PrivateKey	A private key.
PrivateMLet	An MLet that is not added to the `ClassLoaderRepository`.
PrivilegedAction<T>	A computation to be performed with privileges enabled.
PrivilegedActionException	This exception is thrown by `doPrivileged(PrivilegedExceptionAction)` and `doPrivileged(PrivilegedExceptionAction, AccessControlContext context)` to indicate that the action being performed threw a checked exception.
PrivilegedExceptionAction<T>	A computation to be performed with privileges enabled, that throws one or more checked exceptions.
Process	`Process` provides control of native processes started by ProcessBuilder.start and Runtime.exec.
ProcessBuilder	This class is used to create operating system processes.
ProcessBuilder.Redirect	Represents a source of subprocess input or a destination of subprocess output.
ProcessBuilder.Redirect.Type	The type of a `ProcessBuilder.Redirect`.
ProcessHandle	ProcessHandle identifies and provides control of native processes.
ProcessHandle.Info	Information snapshot about the process.
ProcessingEnvironment	An annotation processing tool framework will provide an annotation processor with an object implementing this interface so the processor can use facilities provided by the framework to write new files, report error messages, and find other utilities.
ProcessingInstruction	An interface that describes the data found in processing instructions
ProcessingInstruction	The `ProcessingInstruction` interface represents a "processing instruction", used in XML as a way to keep processor-specific information in the text of the document.
Processor	The interface for an annotation processor.
ProfileDataException	This exception is thrown when an error occurs in accessing or processing an `ICC_Profile` object.
ProgressBarUI	Pluggable look and feel interface for JProgressBar.
ProgressMonitor	A class to monitor the progress of some operation.
ProgressMonitorInputStream	Monitors the progress of reading from some InputStream.
Properties	The `Properties` class represents a persistent set of properties.
PropertyChangeEvent	A "PropertyChange" event gets delivered whenever a bean changes a "bound" or "constrained" property.
PropertyChangeListener	A "PropertyChange" event gets fired whenever a bean changes a "bound" property.
PropertyChangeListenerProxy	A class which extends the `EventListenerProxy` specifically for adding a `PropertyChangeListener` with a "bound" property.
PropertyChangeSupport	This is a utility class that can be used by beans that support bound properties.
PropertyDescriptor	A PropertyDescriptor describes one property that a Java Bean exports via a pair of accessor methods.
PropertyEditor	A PropertyEditor class provides support for GUIs that want to allow users to edit a property value of a given type.
PropertyEditorManager	The PropertyEditorManager can be used to locate a property editor for any given type name.
PropertyEditorSupport	This is a support class to help build property editors.
PropertyPermission	This class is for property permissions.
PropertyResourceBundle	`PropertyResourceBundle` is a concrete subclass of `ResourceBundle` that manages resources for a locale using a set of static strings from a property file.
PropertyTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
PropertyVetoException	A PropertyVetoException is thrown when a proposed change to a property represents an unacceptable value.
ProtectionDomain	The ProtectionDomain class encapsulates the characteristics of a domain, which encloses a set of classes whose instances are granted a set of permissions when being executed on behalf of a given set of Principals.
ProtocolException	Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.
ProtocolFamily	Represents a family of communication protocols.
Provider	This class represents a "provider" for the Java Security API, where a provider implements some or all parts of Java Security.
Provider.Service	The description of a security service.
ProviderException	A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors.
ProviderMismatchException	Unchecked exception thrown when an attempt is made to invoke a method on an object created by one file system provider with a parameter created by a different file system provider.
ProviderNotFoundException	Runtime exception thrown when a provider of the required type cannot be found.
ProvidesTree	A tree node for a @provides block tag.
ProvidesTree	A tree node for a 'provides' directive in a module declaration.
Proxy	`Proxy` provides static methods for creating objects that act like instances of interfaces but allow for customized method invocation.
Proxy	This class represents a proxy setting, typically a type (http, socks) and a socket address.
Proxy.Type	Represents the proxy type.
ProxySelector	Selects the proxy server to use, if any, when connecting to the network resource referenced by a URL.
PseudoColumnUsage	Enumeration for pseudo/hidden column usage.
PSource	This class specifies the source for encoding input P in OAEP Padding, as defined in the PKCS#1 v2.2 standard.
PSource.PSpecified	This class is used to explicitly specify the value for encoding input P in OAEP Padding.
PSSParameterSpec	This class specifies a parameter spec for RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
PublicKey	A public key.
PushbackInputStream	A `PushbackInputStream` adds functionality to another input stream, namely the ability to "push back" or "unread" bytes, by storing pushed-back bytes in an internal buffer.
PushbackReader	A character-stream reader that allows characters to be pushed back into the stream.
QName	`QName` represents a qualified name as defined in the XML specifications: XML Schema Part2: Datatypes specification, Namespaces in XML.
QuadCurve2D	The `QuadCurve2D` class defines a quadratic parametric curve segment in `(x,y)` coordinate space.
QuadCurve2D.Double	A quadratic parametric curve segment specified with `double` coordinates.
QuadCurve2D.Float	A quadratic parametric curve segment specified with `float` coordinates.
QualifiedNameable	A mixin interface for an element that has a qualified name.
Query	Constructs query object constraints.
QueryEval	Allows a query to be performed in the context of a specific MBean server.
QueryExp	Represents relational constraints similar to database query "where clauses".
Queue<E>	A collection designed for holding elements prior to processing.
QueuedJobCount	Class `QueuedJobCount` is an integer valued printing attribute that indicates the number of jobs in the printer whose `JobState` is either `PENDING`, `PENDING_HELD`, `PROCESSING`, or `PROCESSING_STOPPED`.
QuitEvent	Event sent when the application is asked to quit.
QuitHandler	An implementor determines if requests to quit this application should proceed or cancel.
QuitResponse	Used to respond to a request to quit the application.
QuitStrategy	The strategy used to shut down the application, if Sudden Termination is not enabled.
RadialGradientPaint	The `RadialGradientPaint` class provides a way to fill a shape with a circular radial color gradient pattern.
Random	An instance of this class is used to generate a stream of pseudorandom numbers.
RandomAccess	Marker interface used by `List` implementations to indicate that they support fast (generally constant time) random access.
RandomAccessFile	Instances of this class support both reading and writing to a random access file.
Range	See also the Document Object Model (DOM) Level 2 Traversal and Range Specification.
RangeException	Range operations may throw a `RangeException` as specified in their method descriptions.
Raster	A class representing a rectangular array of pixels.
RasterFormatException	The `RasterFormatException` is thrown if there is invalid layout information in the `Raster`.
RasterOp	This interface describes single-input/single-output operations performed on Raster objects.
RC2ParameterSpec	This class specifies the parameters used with the RC2 algorithm.
RC5ParameterSpec	This class specifies the parameters used with the RC5 algorithm.
Rdn	This class represents a relative distinguished name, or RDN, which is a component of a distinguished name as specified by RFC 2253.
Readable	A `Readable` is a source of characters.
ReadableByteChannel	A channel that can read bytes.
Reader	Abstract class for reading character streams.
ReadOnlyBufferException	Unchecked exception thrown when a content-mutation method such as `put` or `compact` is invoked upon a read-only buffer.
ReadOnlyFileSystemException	Unchecked exception thrown when an attempt is made to update an object associated with a `read-only` `FileSystem`.
ReadPendingException	Unchecked exception thrown when an attempt is made to read from an asynchronous socket channel and a previous read has not completed.
ReadWriteLock	A `ReadWriteLock` maintains a pair of associated `locks`, one for read-only operations and one for writing.
RealmCallback	This callback is used by `SaslClient` and `SaslServer` to retrieve realm information.
RealmChoiceCallback	This callback is used by `SaslClient` and `SaslServer` to obtain a realm given a list of realm choices.
Receiver	A `Receiver` receives `MidiEvent` objects and typically does something useful in response, such as interpreting them to generate sound or raw MIDI output.
RecordedClass	A recorded Java type, such as a class or an interface.
RecordedClassLoader	A recorded Java class loader.
RecordedEvent	A recorded event.
RecordedFrame	A recorded frame in a stack trace.
RecordedMethod	A recorded method.
RecordedObject	A complex data type that consists of one or more fields.
RecordedStackTrace	A recorded stack trace.
RecordedThread	A recorded thread.
RecordedThreadGroup	A recorded Java thread group.
Recording	Provides means to configure, start, stop and dump recording data to disk.
RecordingFile	A recording file.
RecordingInfo	Management representation of a `Recording`.
RecordingState	Indicates a state in the life cycle of a recording.
Rect	The `Rect` interface is used to represent any rect value.
Rectangle	A `Rectangle` specifies an area in a coordinate space that is enclosed by the `Rectangle` object's upper-left point `(x,y)` in the coordinate space, its width, and its height.
Rectangle2D	The `Rectangle2D` class describes a rectangle defined by a location `(x,y)` and dimension `(w x h)`.
Rectangle2D.Double	The `Double` class defines a rectangle specified in double coordinates.
Rectangle2D.Float	The `Float` class defines a rectangle specified in float coordinates.
RectangularShape	`RectangularShape` is the base class for a number of `Shape` objects whose geometry is defined by a rectangular frame.
RecursiveAction	A recursive resultless `ForkJoinTask`.
RecursiveTask<V>	A recursive result-bearing `ForkJoinTask`.
ReentrantLock	A reentrant mutual exclusion `Lock` with the same basic behavior and semantics as the implicit monitor lock accessed using `synchronized` methods and statements, but with extended capabilities.
ReentrantReadWriteLock	An implementation of `ReadWriteLock` supporting similar semantics to `ReentrantLock`.
ReentrantReadWriteLock.ReadLock	The lock returned by method `ReentrantReadWriteLock.readLock()`.
ReentrantReadWriteLock.WriteLock	The lock returned by method `ReentrantReadWriteLock.writeLock()`.
Ref	The mapping in the Java programming language of an SQL `REF` value, which is a reference to an SQL structured type value in the database.
RefAddr	This class represents the address of a communications end-point.
Reference<T>	Abstract base class for reference objects.
Reference	This class represents a reference to an object that is found outside of the naming/directory system.
Reference	A representation of the `Reference` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
Referenceable	This interface is implemented by an object that can provide a Reference to itself.
ReferenceQueue<T>	Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected.
ReferenceTree	A tree node for a reference to a Java language element.
ReferenceType	The type of an object in a target VM.
ReferenceType	Represents a reference type.
ReferenceUriSchemesSupported	Class `ReferenceUriSchemesSupported` is a printing attribute class an enumeration, that indicates a "URI scheme," such as "http:" or "ftp:", that a printer can use to retrieve print data stored at a `URI` location.
ReferralException	This abstract class is used to represent a referral exception, which is generated in response to a referral such as that returned by LDAP v3 servers.
ReflectionException	Represents exceptions thrown in the MBean server when using the java.lang.reflect classes to invoke methods on MBeans.
ReflectiveOperationException	Common superclass of exceptions thrown by reflective operations in core reflection.
ReflectPermission	The Permission class for reflective operations.
Refreshable	Objects such as credentials may optionally implement this interface to provide the capability to refresh itself.
RefreshFailedException	Signals that a `refresh` operation failed.
RegExpLiteralTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Region	A distinct rendering area of a Swing component.
RegisterableService	An optional interface that may be provided by service provider objects that will be registered with a `ServiceRegistry`.
Registered	Event annotation, for programmatic event registration.
Registry	`Registry` is a remote interface to a simple remote object registry that provides methods for storing and retrieving remote object references bound with arbitrary string names.
RegistryHandler	Deprecated. no replacement
RejectedExecutionException	Exception thrown by an `Executor` when a task cannot be accepted for execution.
RejectedExecutionHandler	A handler for tasks that cannot be executed by a `ThreadPoolExecutor`.
Relation	This interface has to be implemented by any MBean class expected to represent a relation managed using the Relation Service.
Relational	Meta annotation for relational annotations, to be used on an annotation.
RelationException	This class is the superclass of any exception which can be raised during relation management.
RelationNotFoundException	This exception is raised when there is no relation for a given relation id in a Relation Service.
RelationNotification	A notification of a change in the Relation Service.
RelationService	The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms.
RelationServiceMBean	The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms.
RelationServiceNotRegisteredException	This exception is raised when an access is done to the Relation Service and that one is not registered.
RelationSupport	A RelationSupport object is used internally by the Relation Service to represent simple relations (only roles, no properties or methods), with an unlimited number of roles, of any relation type.
RelationSupportMBean	A RelationSupport object is used internally by the Relation Service to represent simple relations (only roles, no properties or methods), with an unlimited number of roles, of any relation type.
RelationType	The RelationType interface has to be implemented by any class expected to represent a relation type.
RelationTypeNotFoundException	This exception is raised when there is no relation type with given name in Relation Service.
RelationTypeSupport	A RelationTypeSupport object implements the RelationType interface.
RelinkableCallSite	Interface for call sites managed by a `DynamicLinker`.
Remote	The `Remote` interface serves to identify interfaces whose methods may be invoked from a non-local virtual machine.
RemoteCall	Deprecated. no replacement.
RemoteException	A `RemoteException` is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call.
RemoteExecutionControl	The remote agent runs in the execution process (separate from the main JShell process).
RemoteObject	The `RemoteObject` class implements the `java.lang.Object` behavior for remote objects.
RemoteObjectInvocationHandler	An implementation of the `InvocationHandler` interface for use with Java Remote Method Invocation (Java RMI).
RemoteRef	`RemoteRef` represents the handle for a remote object.
RemoteServer	The `RemoteServer` class is the common superclass to server implementations and provides the framework to support a wide range of remote reference semantics.
RemoteStub	Deprecated. Statically generated stubs are deprecated, since stubs are generated dynamically.
RenderableImage	A RenderableImage is a common interface for rendering-independent images (a notion which subsumes resolution independence).
RenderableImageOp	This class handles the renderable aspects of an operation with help from its associated instance of a ContextualRenderedImageFactory.
RenderableImageProducer	An adapter class that implements ImageProducer to allow the asynchronous production of a RenderableImage.
RenderContext	A RenderContext encapsulates the information needed to produce a specific rendering from a RenderableImage.
RenderedImage	RenderedImage is a common interface for objects which contain or can produce image data in the form of Rasters.
RenderedImageFactory	The RenderedImageFactory interface (often abbreviated RIF) is intended to be implemented by classes that wish to act as factories to produce different renderings, for example by executing a series of BufferedImageOps on a set of sources, depending on a specific set of parameters, properties, and rendering hints.
Renderer	Defines the requirements for an object responsible for "rendering" (displaying) a value.
RenderingHints	The `RenderingHints` class defines and manages collections of keys and associated values which allow an application to provide input into the choice of algorithms used by other classes which perform rendering and image manipulation services.
RenderingHints.Key	Defines the base type of all keys used along with the `RenderingHints` class to control various algorithm choices in the rendering and imaging pipelines.
RepaintManager	This class manages repaint requests, allowing the number of repaints to be minimized, for example by collapsing multiple requests into a single repaint for members of a component tree.
Repeatable	The annotation type `java.lang.annotation.Repeatable` is used to indicate that the annotation type whose declaration it (meta-)annotates is repeatable.
ReplicateScaleFilter	An ImageFilter class for scaling images using the simplest algorithm.
Reporter	This interface provides error, warning and notice reporting.
RequestingUserName	Class `RequestingUserName` is a printing attribute class, a text attribute, that specifies the name of the end user that submitted the print job.
RequiredModelMBean	This class is the implementation of a ModelMBean.
RequiresTree	A tree node for a 'requires' directive in a module declaration.
RescaleOp	This class performs a pixel-by-pixel rescaling of the data in the source image by multiplying the sample values for each pixel by a scale factor and then adding an offset.
ResolutionException	Thrown when resolving a set of modules, or resolving a set of modules with service binding, fails.
ResolutionSyntax	Class `ResolutionSyntax` is an abstract base class providing the common implementation of all attributes denoting a printer resolution.
ResolvedModule	A module in a graph of resolved modules.
Resolver	This interface represents an "intermediate context" for name resolution.
ResolveResult	This class represents the result of resolution of a name.
ResolverStyle	Enumeration of different ways to resolve dates and times.
ResourceBundle	Resource bundles contain locale-specific objects.
ResourceBundle.Control	`ResourceBundle.Control` defines a set of callback methods that are invoked by the `ResourceBundle.getBundle` factory methods during the bundle loading process.
ResourceBundleControlProvider	An interface for service providers that provide implementations of `ResourceBundle.Control`.
ResourceBundleProvider	`ResourceBundleProvider` is a service provider interface for resource bundles.
ResponseAPDU	A response APDU as defined in ISO/IEC 7816-4.
ResponseCache	Represents implementations of URLConnection caches.
Result	An object that implements this interface contains the information needed to build a transformation result tree.
ResultSet	A table of data representing a database result set, which is usually generated by executing a statement that queries the database.
ResultSetMetaData	An object that can be used to get information about the types and properties of the columns in a `ResultSet` object.
Retention	Indicates how long annotations with the annotated type are to be retained.
RetentionPolicy	Annotation retention policy.
RetrievalMethod	A representation of the XML `RetrievalMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
ReturnTree	A tree node for an @return block tag.
ReturnTree	A tree node for a `return` statement.
ReturnTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ReverbType	The `ReverbType` class provides methods for accessing various reverberation settings to be applied to an audio signal.
RGBColor	The `RGBColor` interface is used to represent any RGB color value.
RGBImageFilter	This class provides an easy way to create an ImageFilter which modifies the pixels of an image in the default RGB ColorModel.
RMIClassLoader	`RMIClassLoader` comprises static methods to support dynamic class loading with RMI.
RMIClassLoaderSpi	`RMIClassLoaderSpi` is the service provider interface for `RMIClassLoader`.
RMIClientSocketFactory	An `RMIClientSocketFactory` instance is used by the RMI runtime in order to obtain client sockets for RMI calls.
RMIConnection	RMI object used to forward an MBeanServer request from a client to its MBeanServer implementation on the server side.
RMIConnectionImpl	Implementation of the `RMIConnection` interface.
RMIConnectionImpl_Stub
RMIConnector	A connection to a remote RMI connector.
RMIConnectorServer	A JMX API connector server that creates RMI-based connections from remote clients.
RMIFailureHandler	An `RMIFailureHandler` can be registered via the `RMISocketFactory.setFailureHandler` call.
RMIIIOPServerImpl	Deprecated. This transport is no longer supported.
RMIJRMPServerImpl	An `RMIServer` object that is exported through JRMP and that creates client connections as RMI objects exported through JRMP.
RMISecurityException	Deprecated. Use `SecurityException` instead.
RMISecurityManager	Deprecated. Use `SecurityManager` instead.
RMIServer	RMI object used to establish connections to an RMI connector.
RMIServerImpl	An RMI object representing a connector server.
RMIServerImpl_Stub
RMIServerSocketFactory	An `RMIServerSocketFactory` instance is used by the RMI runtime in order to obtain server sockets for RMI calls.
RMISocketFactory	An `RMISocketFactory` instance is used by the RMI runtime in order to obtain client and server sockets for RMI calls.
Robot	This class is used to generate native system input events for the purposes of test automation, self-running demos, and other applications where control of the mouse and keyboard is needed.
Role	Represents a role: includes a role name and referenced MBeans (via their ObjectNames).
RoleInfo	A RoleInfo object summarises a role in a relation type.
RoleInfoNotFoundException	This exception is raised when there is no role info with given name in a given relation type.
RoleList	A RoleList represents a list of roles (Role objects).
RoleNotFoundException	This exception is raised when a role in a relation does not exist, or is not readable, or is not settable.
RoleResult	Represents the result of a multiple access to several roles of a relation (either for reading or writing).
RoleStatus	This class describes the various problems which can be encountered when accessing a role.
RoleUnresolved	Represents an unresolved role: a role not retrieved from a relation due to a problem.
RoleUnresolvedList	A RoleUnresolvedList represents a list of RoleUnresolved objects, representing roles not retrieved from a relation due to a problem encountered when trying to access (read or write) the roles.
RootPaneContainer	This interface is implemented by components that have a single JRootPane child: JDialog, JFrame, JWindow, JApplet, JInternalFrame.
RootPaneUI	Pluggable look and feel interface for JRootPane.
RoundEnvironment	An annotation processing tool framework will provide an annotation processor with an object implementing this interface so that the processor can query for information about a round of annotation processing.
RoundingMode	Specifies a rounding behavior for numerical operations capable of discarding precision.
RoundRectangle2D	The `RoundRectangle2D` class defines a rectangle with rounded corners defined by a location `(x,y)`, a dimension `(w x h)`, and the width and height of an arc with which to round the corners.
RoundRectangle2D.Double	The `Double` class defines a rectangle with rounded corners all specified in `double` coordinates.
RoundRectangle2D.Float	The `Float` class defines a rectangle with rounded corners all specified in `float` coordinates.
RowFilter<M,I>	`RowFilter` is used to filter out entries from the model so that they are not shown in the view.
RowFilter.ComparisonType	Enumeration of the possible comparison values supported by some of the default `RowFilter`s.
RowFilter.Entry<M,I>	An `Entry` object is passed to instances of `RowFilter`, allowing the filter to get the value of the entry's data, and thus to determine whether the entry should be shown.
RowId	The representation (mapping) in the Java programming language of an SQL ROWID value.
RowIdLifetime	Enumeration for RowId life-time values.
RowMapper	Defines the requirements for an object that translates paths in the tree into display rows.
RowSet	The interface that adds support to the JDBC API for the JavaBeans™ component model.
RowSetEvent	An `Event` object generated when an event occurs to a `RowSet` object.
RowSetFactory	An interface that defines the implementation of a factory that is used to obtain different types of `RowSet` implementations.
RowSetInternal	The interface that a `RowSet` object implements in order to present itself to a `RowSetReader` or `RowSetWriter` object.
RowSetListener	An interface that must be implemented by a component that wants to be notified when a significant event happens in the life of a `RowSet` object.
RowSetMetaData	An object that contains information about the columns in a `RowSet` object.
RowSetMetaDataImpl	Provides implementations for the methods that set and get metadata information about a `RowSet` object's columns.
RowSetProvider	A factory API that enables applications to obtain a `RowSetFactory` implementation that can be used to create different types of `RowSet` implementations.
RowSetReader	The facility that a disconnected `RowSet` object calls on to populate itself with rows of data.
RowSetWarning	An extension of `SQLException` that provides information about database warnings set on `RowSet` objects.
RowSetWriter	An object that implements the `RowSetWriter` interface, called a writer.
RowSorter<M>	`RowSorter` provides the basis for sorting and filtering.
RowSorter.SortKey	SortKey describes the sort order for a particular column.
RowSorterEvent	`RowSorterEvent` provides notification of changes to a `RowSorter`.
RowSorterEvent.Type	Enumeration of the types of `RowSorterEvent`s.
RowSorterListener	`RowSorterListener`s are notified of changes to a `RowSorter`.
RSAKey	The interface to a public or private key in PKCS#1 v2.2 standard, such as those for RSA, or RSASSA-PSS algorithms.
RSAKeyGenParameterSpec	This class specifies the set of parameters used to generate an RSA key pair.
RSAMultiPrimePrivateCrtKey	The interface to an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.
RSAMultiPrimePrivateCrtKeySpec	This class specifies an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard using the Chinese Remainder Theorem (CRT) information values for efficiency.
RSAOtherPrimeInfo	This class represents the triplet (prime, exponent, and coefficient) inside RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2.2 standard.
RSAPrivateCrtKey	The interface to an RSA private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.
RSAPrivateCrtKeySpec	This class specifies an RSA private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.
RSAPrivateKey	The interface to an RSA private key.
RSAPrivateKeySpec	This class specifies an RSA private key.
RSAPublicKey	The interface to an RSA public key.
RSAPublicKeySpec	This class specifies an RSA public key.
RTFEditorKit	This is the default implementation of RTF editing functionality.
RuleBasedCollator	The `RuleBasedCollator` class is a concrete subclass of `Collator` that provides a simple, data-driven, table collator.
Runnable	The `Runnable` interface should be implemented by any class whose instances are intended to be executed by a thread.
RunnableFuture<V>	A `Future` that is `Runnable`.
RunnableScheduledFuture<V>	A `ScheduledFuture` that is `Runnable`.
Runtime	Every Java application has a single instance of class `Runtime` that allows the application to interface with the environment in which the application is running.
Runtime.Version	A representation of a version string for an implementation of the Java SE Platform.
RuntimeErrorException	When a `java.lang.Error` occurs in the agent it should be caught and re-thrown as a `RuntimeErrorException`.
RuntimeException	`RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
RuntimeMBeanException	Represents runtime exceptions thrown by MBean methods in the agent.
RuntimeMXBean	The management interface for the runtime system of the Java virtual machine.
RuntimeOperationsException	Represents runtime exceptions thrown in the agent when performing operations on MBeans.
RuntimePermission	This class is for runtime permissions.
SafeVarargs	A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
SampleModel	This abstract class defines an interface for extracting samples of pixels in an image.
Sasl	A static class for creating SASL clients and servers.
SaslClient	Performs SASL authentication as a client.
SaslClientFactory	An interface for creating instances of `SaslClient`.
SaslException	This class represents an error that has occurred when using SASL.
SaslServer	Performs SASL authentication as a server.
SaslServerFactory	An interface for creating instances of `SaslServer`.
Savepoint	The representation of a savepoint, which is a point within the current transaction that can be referenced from the `Connection.rollback` method.
SAXException	Encapsulate a general SAX error or warning.
SAXNotRecognizedException	Exception class for an unrecognized identifier.
SAXNotSupportedException	Exception class for an unsupported operation.
SAXParseException	Encapsulate an XML parse error or warning.
SAXParser	Defines the API that wraps an `XMLReader` implementation class.
SAXParserFactory	Defines a factory API that enables applications to configure and obtain a SAX based parser to parse XML documents.
SAXResult	Acts as an holder for a transformation Result.
SAXSource	Acts as an holder for SAX-style Source.
SAXTransformerFactory	This class extends TransformerFactory to provide SAX-specific factory methods.
Scanner	A simple text scanner which can parse primitive types and strings using regular expressions.
ScatteringByteChannel	A channel that can read bytes into a sequence of buffers.
ScheduledExecutorService	An `ExecutorService` that can schedule commands to run after a given delay, or to execute periodically.
ScheduledFuture<V>	A delayed result-bearing action that can be cancelled.
ScheduledThreadPoolExecutor	A `ThreadPoolExecutor` that can additionally schedule commands to run after a given delay, or to execute periodically.
Schema	Immutable in-memory representation of grammar.
SchemaFactory	Factory that creates `Schema` objects.
SchemaFactoryConfigurationError	Thrown when a problem with configuration with the Schema Factories exists.
SchemaFactoryLoader	Factory that creates `SchemaFactory`.
SchemaViolationException	This exception is thrown when a method in some ways violates the schema.
Scope	Interface for determining locally available program elements, such as local variables and imports.
ScreenSleepEvent	Event sent when the displays attached to the system enter and exit power save sleep.
ScreenSleepListener	Implementors receive notification when the displays attached to the system have entered power save sleep.
ScriptContext	The interface whose implementing classes are used to connect Script Engines with objects, such as scoped Bindings, in hosting applications.
ScriptEngine	`ScriptEngine` is the fundamental interface whose methods must be fully functional in every implementation of this specification.
ScriptEngineFactory	`ScriptEngineFactory` is used to describe and instantiate `ScriptEngines`.
ScriptEngineManager	The `ScriptEngineManager` implements a discovery and instantiation mechanism for `ScriptEngine` classes and also maintains a collection of key/value pairs storing state shared by all engines created by the Manager.
ScriptException	The generic `Exception` class for the Scripting APIs.
ScriptObjectMirror	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ScriptUtils	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Scrollable	An interface that provides information to a scrolling container like JScrollPane.
Scrollbar	The `Scrollbar` class embodies a scroll bar, a familiar user-interface object.
ScrollBarUI	Pluggable look and feel interface for JScrollBar.
ScrollPane	A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
ScrollPaneAdjustable	This class represents the state of a horizontal or vertical scrollbar of a `ScrollPane`.
ScrollPaneConstants	Constants used with the JScrollPane component.
ScrollPaneLayout	The layout manager used by `JScrollPane`.
ScrollPaneLayout.UIResource	The UI resource version of `ScrollPaneLayout`.
ScrollPaneUI	Pluggable look and feel interface for JScrollPane.
SctpChannel	A selectable channel for message-oriented connected SCTP sockets.
SctpMultiChannel	A selectable channel for message-oriented SCTP sockets.
SctpServerChannel	A selectable channel for message-oriented listening SCTP sockets.
SctpSocketOption<T>	A socket option associated with an SCTP channel.
SctpStandardSocketOptions	SCTP channels supports the socket options defined by this class (as well as those listed in the particular channel class) and may support additional Implementation specific socket options.
SctpStandardSocketOptions.InitMaxStreams	This class is used to set the maximum number of inbound/outbound streams used by the local endpoint during association initialization.
SealedObject	This class enables a programmer to create an object and protect its confidentiality with a cryptographic algorithm.
SearchControls	This class encapsulates factors that determine scope of search and what gets returned as a result of the search.
SearchResult	This class represents an item in the NamingEnumeration returned as a result of the DirContext.search() methods.
SecondaryLoop	A helper interface to run the nested event loop.
SecretKey	A secret (symmetric) key.
SecretKeyFactory	This class represents a factory for secret keys.
SecretKeyFactorySpi	This class defines the Service Provider Interface (SPI) for the `SecretKeyFactory` class.
SecretKeySpec	This class specifies a secret key in a provider-independent fashion.
SecureCacheResponse	Represents a cache response originally retrieved through secure means, such as TLS.
SecureClassLoader	This class extends ClassLoader with additional support for defining classes with an associated code source and permissions which are retrieved by the system policy by default.
SecureDirectoryStream<T>	A `DirectoryStream` that defines operations on files that are located relative to an open directory.
SecureLookupSupplier	Provides security-checked access to a `MethodHandles.Lookup` object.
SecureRandom	This class provides a cryptographically strong random number generator (RNG).
SecureRandomParameters	A marker interface for parameters used in various `SecureRandom` methods.
SecureRandomSpi	This class defines the Service Provider Interface (SPI) for the `SecureRandom` class.
Security	This class centralizes all security properties and common security methods.
SecurityException	Thrown by the security manager to indicate a security violation.
SecurityManager	The security manager is a class that allows applications to implement a security policy.
SecurityPermission	This class is for security permissions.
SeekableByteChannel	A byte channel that maintains a current position and allows the position to be changed.
SeeTree	A tree node for an @see block tag.
Segment	A segment of a character array representing a fragment of text.
SelectableChannel	A channel that can be multiplexed via a `Selector`.
SelectionKey	A token representing the registration of a `SelectableChannel` with a `Selector`.
Selector	A multiplexor of `SelectableChannel` objects.
SelectorProvider	Service-provider class for selectors and selectable channels.
Semaphore	A counting semaphore.
SendFailedNotification	Notification emitted when a send failed notification has been received.
SeparatorUI	Pluggable look and feel interface for JSeparator.
Sequence	A `Sequence` is a data structure containing musical information (often an entire song or composition) that can be played back by a `Sequencer` object.
SequenceInputStream	A `SequenceInputStream` represents the logical concatenation of other input streams.
Sequencer	A hardware or software device that plays back a MIDI `sequence` is known as a sequencer.
Sequencer.SyncMode	A `SyncMode` object represents one of the ways in which a MIDI sequencer's notion of time can be synchronized with a master or slave device.
SerialArray	A serialized version of an `Array` object, which is the mapping in the Java programming language of an SQL `ARRAY` value.
SerialBlob	A serialized mapping in the Java programming language of an SQL `BLOB` value.
SerialClob	A serialized mapping in the Java programming language of an SQL `CLOB` value.
SerialDatalink	A serialized mapping in the Java programming language of an SQL `DATALINK` value.
SerialDataTree	A tree node for an @serialData block tag.
SerialException	Indicates and an error with the serialization or de-serialization of SQL types such as `BLOB, CLOB, STRUCT or ARRAY` in addition to SQL types such as `DATALINK and JAVAOBJECT`
SerialFieldTree	A tree node for an @serialData block tag.
Serializable	Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
SerializablePermission	This class is for Serializable permissions.
SerializedLambda	Serialized form of a lambda expression.
SerialJavaObject	A serializable mapping in the Java programming language of an SQL `JAVA_OBJECT` value.
SerialRef	A serialized mapping of a `Ref` object, which is the mapping in the Java programming language of an SQL `REF` value.
SerialStruct	A serialized mapping in the Java programming language of an SQL structured type.
SerialTree	A tree node for an @serial block tag.
ServerCloneException	A `ServerCloneException` is thrown if a remote exception occurs during the cloning of a `UnicastRemoteObject`.
ServerError	A `ServerError` is thrown as a result of a remote method invocation when an `Error` is thrown while processing the invocation on the server, either while unmarshalling the arguments, executing the remote method itself, or marshalling the return value.
ServerException	A `ServerException` is thrown as a result of a remote method invocation when a `RemoteException` is thrown while processing the invocation on the server, either while unmarshalling the arguments or executing the remote method itself.
ServerNotActiveException	An `ServerNotActiveException` is an `Exception` thrown during a call to `RemoteServer.getClientHost` if the getClientHost method is called outside of servicing a remote method call.
ServerRef	Deprecated. No replacement.
ServerRuntimeException	Deprecated. no replacement
ServerSocket	This class implements server sockets.
ServerSocketChannel	A selectable channel for stream-oriented listening sockets.
ServerSocketFactory	This class creates server sockets.
ServiceConfigurationError	Error thrown when something goes wrong while locating, loading, or instantiating a service provider.
ServiceLoader<S>	A facility to load implementations of a service.
ServiceLoader.Provider<S>	Represents a service provider located by `ServiceLoader`.
ServiceNotFoundException	Represents exceptions raised when a requested service is not supported.
ServicePermission	This class is used to protect Kerberos services and the credentials necessary to access those services.
ServiceRegistry	A registry for service provider instances for Image I/O service types.
ServiceRegistry.Filter	A simple filter interface used by `ServiceRegistry.getServiceProviders` to select providers matching an arbitrary criterion.
ServiceUI	This class is a collection of UI convenience methods which provide a graphical user dialog for browsing print services looked up through the Java Print Service API.
ServiceUIFactory	Services may optionally provide UIs which allow different styles of interaction in different roles.
ServiceUnavailableException	This exception is thrown when attempting to communicate with a directory or naming service and that service is not available.
Set<E>	A collection that contains no duplicate elements.
SetOfIntegerSyntax	Class `SetOfIntegerSyntax` is an abstract base class providing the common implementation of all attributes whose value is a set of nonnegative integers.
SettingControl	Base class to extend to create setting controls.
SettingDefinition	Annotation that specifies that a method in an event class should be used to filter out events.
SettingDescriptor	Describes an event setting.
SettingDescriptorInfo	Management class that describes a setting, for example name, description and default value.
Severity	Class `Severity` is a printing attribute class, an enumeration, that denotes the severity of a `PrinterStateReason` attribute.
Shape	The `Shape` interface provides definitions for objects that represent some form of geometric shape.
ShapeGraphicAttribute	The `ShapeGraphicAttribute` class is an implementation of `GraphicAttribute` that draws shapes in a `TextLayout`.
ShardingKey	Interface used to indicate that this object represents a Sharding Key.
ShardingKeyBuilder	A builder created from a `DataSource` or `XADataSource` object, used to create a `ShardingKey` with sub-keys of supported data types.
SheetCollate	Class `SheetCollate` is a printing attribute class, an enumeration, that specifies whether or not the media sheets of each copy of each printed document in a job are to be in sequence, when multiple copies of the document are specified by the `Copies` attribute.
Short	The `Short` class wraps a value of primitive type `short` in an object.
ShortBuffer	A short buffer.
ShortBufferException	This exception is thrown when an output buffer provided by the user is too short to hold the operation result.
ShortLookupTable	This class defines a lookup table object.
ShortMessage	A `ShortMessage` contains a MIDI message that has at most two data bytes following its status byte.
ShortType	The type of all primitive `short` values accessed in the target VM.
ShortValue	Provides access to a primitive `short` value in the target VM.
ShutdownChannelGroupException	Unchecked exception thrown when an attempt is made to construct a channel in a group that is shutdown or the completion handler for an I/O operation cannot be invoked because the channel group has terminated.
ShutdownNotification	Notification emitted when a peers shutdowns an the association.
Sides	Class `Sides` is a printing attribute class, an enumeration, that specifies how print-stream pages are to be imposed upon the sides of an instance of a selected medium, i.e., an impression.
Signature	The Signature class is used to provide applications the functionality of a digital signature algorithm.
SignatureException	This is the generic Signature exception.
SignatureMethod	A representation of the XML `SignatureMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
SignatureMethodParameterSpec	A specification of algorithm parameters for an XML `SignatureMethod` algorithm.
SignatureProperties	A representation of the XML `SignatureProperties` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
SignatureProperty	A representation of the XML `SignatureProperty` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
SignatureSpi	This class defines the Service Provider Interface (SPI) for the `Signature` class, which is used to provide the functionality of a digital signature algorithm.
SignedInfo	An representation of the XML `SignedInfo` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
SignedObject	SignedObject is a class for the purpose of creating authentic runtime objects whose integrity cannot be compromised without being detected.
Signer	Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
SignStyle	Enumeration of ways to handle the positive/negative sign.
SimpleAnnotationValueVisitor6<R,P>	A simple visitor for annotation values with default behavior appropriate for the `RELEASE_6` source version.
SimpleAnnotationValueVisitor7<R,P>	A simple visitor for annotation values with default behavior appropriate for the `RELEASE_7` source version.
SimpleAnnotationValueVisitor8<R,P>	A simple visitor for annotation values with default behavior appropriate for the `RELEASE_8` source version.
SimpleAnnotationValueVisitor9<R,P>	A simple visitor for annotation values with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
SimpleAttributeSet	A straightforward implementation of MutableAttributeSet using a hash table.
SimpleBeanInfo	This is a support class to make it easier for people to provide BeanInfo classes.
SimpleBindings	A simple implementation of Bindings backed by a `HashMap` or some other specified `Map`.
SimpleDateFormat	`SimpleDateFormat` is a concrete class for formatting and parsing dates in a locale-sensitive manner.
SimpleDoc	This class is an implementation of interface `Doc` that can be used in many common printing requests.
SimpleDocTreeVisitor<R,P>	A simple visitor for tree nodes.
SimpleElementVisitor6<R,P>	A simple visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
SimpleElementVisitor7<R,P>	A simple visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
SimpleElementVisitor8<R,P>	A simple visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
SimpleElementVisitor9<R,P>	A simple visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
SimpleFileVisitor<T>	A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.
SimpleFormatter	Print a brief summary of the `LogRecord` in a human readable format.
SimpleJavaFileObject	Provides simple implementations for most methods in JavaFileObject.
SimpleLinkRequest	Default simple implementation of `LinkRequest`.
SimpleRelinkableCallSite	A relinkable call site that implements monomorphic inline caching strategy, only being linked to a single `GuardedInvocation` at any given time.
SimpleScriptContext	Simple implementation of ScriptContext.
SimpleTimeZone	`SimpleTimeZone` is a concrete subclass of `TimeZone` that represents a time zone for use with a Gregorian calendar.
SimpleTreeVisitor<R,P>	A simple visitor for tree nodes.
SimpleTreeVisitorES5_1<R,P>	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
SimpleTreeVisitorES6<R,P>	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
SimpleType<T>	The `SimpleType` class is the open type class whose instances describe all open data values which are neither arrays, nor `CompositeData` values, nor `TabularData` values.
SimpleTypeVisitor6<R,P>	A simple visitor of types with default behavior appropriate for the `RELEASE_6` source version.
SimpleTypeVisitor7<R,P>	A simple visitor of types with default behavior appropriate for the `RELEASE_7` source version.
SimpleTypeVisitor8<R,P>	A simple visitor of types with default behavior appropriate for the `RELEASE_8` source version.
SimpleTypeVisitor9<R,P>	A simple visitor of types with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
SinceTree	A tree node for an @since block tag.
SinglePixelPackedSampleModel	This class represents pixel data packed such that the N samples which make up a single pixel are stored in a single data array element, and each data data array element holds samples for only one pixel.
SingleSelectionModel	A model that supports at most one indexed selection.
Size2DSyntax	Class `Size2DSyntax` is an abstract base class providing the common implementation of all attributes denoting a size in two dimensions.
SizeLimitExceededException	This exception is thrown when a method produces a result that exceeds a size-related limit.
SizeRequirements	For the convenience of layout managers, calculates information about the size and position of components.
SizeSequence	A `SizeSequence` object efficiently maintains an ordered list of sizes and corresponding positions.
Skeleton	Deprecated. no replacement.
SkeletonMismatchException	Deprecated. no replacement.
SkeletonNotFoundException	Deprecated. no replacement.
SliderUI	Pluggable look and feel interface for JSlider.
SNIHostName	Instances of this class represent a server name of type `host_name` in a Server Name Indication (SNI) extension.
SNIMatcher	Instances of this class represent a matcher that performs match operations on an `SNIServerName` instance.
Snippet	A Snippet represents a snippet of Java source code as passed to `JShell.eval(java.lang.String)`.
Snippet.Kind	Describes the general kind of snippet.
Snippet.Status	Describes the current state of a Snippet.
Snippet.SubKind	The detailed variety of a snippet.
SnippetEvent	A description of a change to a Snippet.
SNIServerName	Instances of this class represent a server name in a Server Name Indication (SNI) extension.
Socket	This class implements client sockets (also called just "sockets").
SocketAddress	This class represents a Socket Address with no protocol attachment.
SocketChannel	A selectable channel for stream-oriented connecting sockets.
SocketException	Thrown to indicate that there is an error creating or accessing a Socket.
SocketFactory	This class creates sockets.
SocketFlow	Represents the service level properties for the platform specific socket option `ExtendedSocketOptions.SO_FLOW_SLA`.
SocketFlow.Status	Enumeration of the return values from the SO_FLOW_SLA socket option.
SocketHandler	Simple network logging `Handler`.
SocketImpl	The abstract class `SocketImpl` is a common superclass of all classes that actually implement sockets.
SocketImplFactory	This interface defines a factory for socket implementations.
SocketOption<T>	A socket option associated with a socket.
SocketOptions	Interface of methods to get/set socket options.
SocketPermission	This class represents access to a network via sockets.
Sockets	Defines static methods to set and get socket options defined by the `SocketOption` interface.
SocketSecurityException	Deprecated. This class is obsolete.
SocketTimeoutException	Signals that a timeout has occurred on a socket read or accept.
SoftBevelBorder	A class which implements a raised or lowered bevel with softened corners.
SoftReference<T>	Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.
SortControl	Requests that the results of a search operation be sorted by the LDAP server before being returned.
SortedMap<K,V>	A `Map` that further provides a total ordering on its keys.
SortedSet<E>	A `Set` that further provides a total ordering on its elements.
SortingFocusTraversalPolicy	A FocusTraversalPolicy that determines traversal order by sorting the Components of a focus traversal cycle based on a given Comparator.
SortKey	A sort key and its associated sort parameters.
SortOrder	SortOrder is an enumeration of the possible sort orderings.
SortResponseControl	Indicates whether the requested sort of search results was successful or not.
Soundbank	A `Soundbank` contains a set of `Instruments` that can be loaded into a `Synthesizer`.
SoundbankReader	A `SoundbankReader` supplies soundbank file-reading services.
SoundbankResource	A `SoundbankResource` represents any audio resource stored in a `Soundbank`.
Source	An object that implements this interface contains the information needed to act as source input (XML source or transformation instructions).
SourceCodeAnalysis	Provides analysis utilities for source code input.
SourceCodeAnalysis.Completeness	Describes the completeness of the given input.
SourceCodeAnalysis.CompletionInfo	The result of `analyzeCompletion(String input)`.
SourceCodeAnalysis.Documentation	A documentation for a candidate for continuation of the given user's input.
SourceCodeAnalysis.QualifiedNames	List of possible qualified names.
SourceCodeAnalysis.SnippetWrapper	The wrapping of a snippet of Java source into valid top-level Java source.
SourceCodeAnalysis.Suggestion	A candidate for continuation of the given user's input.
SourceDataLine	A source data line is a data line to which data may be written.
SourceLocator	This interface is primarily for the purposes of reporting where an error occurred in the XML source or transformation instructions.
SourcePositions	Provides methods to obtain the position of a Tree within a CompilationUnit.
SourceVersion	Source versions of the Java™ programming language.
SpinnerDateModel	A `SpinnerModel` for sequences of `Date`s.
SpinnerListModel	A simple implementation of `SpinnerModel` whose values are defined by an array or a `List`.
SpinnerModel	A model for a potentially unbounded sequence of object values.
SpinnerNumberModel	A `SpinnerModel` for sequences of numbers.
SpinnerUI	Pluggable look and feel interface for JSpinner
SPIResolutionException	The construction and throw of this exception is embedded in code generated by the JShell core implementation in such a way that, upon executing a `RECOVERABLE_DEFINED` user method, this exception is thrown.
SplashScreen	The splash screen can be displayed at application startup, before the Java Virtual Machine (JVM) starts.
Spliterator<T>	An object for traversing and partitioning elements of a source.
Spliterator.OfDouble	A Spliterator specialized for `double` values.
Spliterator.OfInt	A Spliterator specialized for `int` values.
Spliterator.OfLong	A Spliterator specialized for `long` values.
Spliterator.OfPrimitive<T,T_CONS,T_SPLITR extends Spliterator.OfPrimitive<T,T_CONS,T_SPLITR>>	A Spliterator specialized for primitive values.
Spliterators	Static classes and methods for operating on or creating instances of `Spliterator` and its primitive specializations `Spliterator.OfInt`, `Spliterator.OfLong`, and `Spliterator.OfDouble`.
Spliterators.AbstractDoubleSpliterator	An abstract `Spliterator.OfDouble` that implements `trySplit` to permit limited parallelism.
Spliterators.AbstractIntSpliterator	An abstract `Spliterator.OfInt` that implements `trySplit` to permit limited parallelism.
Spliterators.AbstractLongSpliterator	An abstract `Spliterator.OfLong` that implements `trySplit` to permit limited parallelism.
Spliterators.AbstractSpliterator<T>	An abstract `Spliterator` that implements `trySplit` to permit limited parallelism.
SplitPaneUI	Pluggable look and feel interface for JSplitPane.
SplittableRandom	A generator of uniform pseudorandom values applicable for use in (among other contexts) isolated parallel computations that may generate subtasks.
SpreadTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Spring	An instance of the `Spring` class holds three properties that characterize its behavior: the minimum, preferred, and maximum values.
SpringLayout	A `SpringLayout` lays out the children of its associated container according to a set of constraints.
SpringLayout.Constraints	A `Constraints` object holds the constraints that govern the way a component's size and position change in a container controlled by a `SpringLayout`.
SQLClientInfoException	The subclass of `SQLException` is thrown when one or more client info properties could not be set on a `Connection`.
SQLData	The interface used for the custom mapping of an SQL user-defined type (UDT) to a class in the Java programming language.
SQLDataException	The subclass of `SQLException` thrown when the SQLState class value is '22', or under vendor-specified conditions.
SQLException	An exception that provides information on a database access error or other errors.
SQLFeatureNotSupportedException	The subclass of `SQLException` thrown when the SQLState class value is '0A' ( the value is 'zero' A).
SQLInput	An input stream that contains a stream of values representing an instance of an SQL structured type or an SQL distinct type.
SQLInputImpl	An input stream used for custom mapping user-defined types (UDTs).
SQLIntegrityConstraintViolationException	The subclass of `SQLException` thrown when the SQLState class value is '23', or under vendor-specified conditions.
SQLInvalidAuthorizationSpecException	The subclass of `SQLException` thrown when the SQLState class value is '28', or under vendor-specified conditions.
SQLNonTransientConnectionException	The subclass of `SQLException` thrown for the SQLState class value '08', or under vendor-specified conditions.
SQLNonTransientException	The subclass of `SQLException` thrown when an instance where a retry of the same operation would fail unless the cause of the `SQLException` is corrected.
SQLOutput	The output stream for writing the attributes of a user-defined type back to the database.
SQLOutputImpl	The output stream for writing the attributes of a custom-mapped user-defined type (UDT) back to the database.
SQLPermission	The permission for which the `SecurityManager` will check when code that is running an application with a `SecurityManager` enabled, calls the `DriverManager.deregisterDriver` method, `DriverManager.setLogWriter` method, `DriverManager.setLogStream` (deprecated) method, `SyncFactory.setJNDIContext` method, `SyncFactory.setLogger` method, `Connection.setNetworkTimeout` method, or the `Connection.abort` method.
SQLRecoverableException	The subclass of `SQLException` thrown in situations where a previously failed operation might be able to succeed if the application performs some recovery steps and retries the entire transaction or in the case of a distributed transaction, the transaction branch.
SQLSyntaxErrorException	The subclass of `SQLException` thrown when the SQLState class value is '42', or under vendor-specified conditions.
SQLTimeoutException	The subclass of `SQLException` thrown when the timeout specified by `Statement.setQueryTimeout`, `DriverManager.setLoginTimeout`, `DataSource.setLoginTimeout`,`XADataSource.setLoginTimeout` has expired.
SQLTransactionRollbackException	The subclass of `SQLException` thrown when the SQLState class value is '40', or under vendor-specified conditions.
SQLTransientConnectionException	The subclass of `SQLException` for the SQLState class value '08', or under vendor-specified conditions.
SQLTransientException	The subclass of `SQLException` is thrown in situations where a previously failed operation might be able to succeed when the operation is retried without any intervention by application-level functionality.
SQLType	An object that is used to identify a generic SQL type, called a JDBC type or a vendor specific data type.
SQLWarning	An exception that provides information on database access warnings.
SQLXML	The mapping in the JavaTM programming language for the SQL XML type.
SSLContext	Instances of this class represent a secure socket protocol implementation which acts as a factory for secure socket factories or `SSLEngine`s.
SSLContextSpi	This class defines the Service Provider Interface (SPI) for the `SSLContext` class.
SSLEngine	A class which enables secure communications using protocols such as the Secure Sockets Layer (SSL) or IETF RFC 2246 "Transport Layer Security" (TLS) protocols, but is transport independent.
SSLEngineResult	An encapsulation of the result state produced by `SSLEngine` I/O calls.
SSLEngineResult.HandshakeStatus	An `SSLEngineResult` enum describing the current handshaking state of this `SSLEngine`.
SSLEngineResult.Status	An `SSLEngineResult` enum describing the overall result of the `SSLEngine` operation.
SSLException	Indicates some kind of error detected by an SSL subsystem.
SSLHandshakeException	Indicates that the client and server could not negotiate the desired level of security.
SSLKeyException	Reports a bad SSL key.
SSLParameters	Encapsulates parameters for an SSL/TLS/DTLS connection.
SSLPeerUnverifiedException	Indicates that the peer's identity has not been verified.
SSLPermission	This class is for various network permissions.
SSLProtocolException	Reports an error in the operation of the SSL protocol.
SslRMIClientSocketFactory	An `SslRMIClientSocketFactory` instance is used by the RMI runtime in order to obtain client sockets for RMI calls via SSL.
SslRMIServerSocketFactory	An `SslRMIServerSocketFactory` instance is used by the RMI runtime in order to obtain server sockets for RMI calls via SSL.
SSLServerSocket	This class extends `ServerSocket` and provides secure server sockets using protocols such as the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
SSLServerSocketFactory	`SSLServerSocketFactory`s create `SSLServerSocket`s.
SSLSession	In SSL, sessions are used to describe an ongoing relationship between two entities.
SSLSessionBindingEvent	This event is propagated to a SSLSessionBindingListener.
SSLSessionBindingListener	This interface is implemented by objects which want to know when they are being bound or unbound from a SSLSession.
SSLSessionContext	A `SSLSessionContext` represents a set of `SSLSession`s associated with a single entity.
SSLSocket	This class extends `Socket` and provides secure sockets using protocols such as the "Secure Sockets Layer" (SSL) or IETF "Transport Layer Security" (TLS) protocols.
SSLSocketFactory	`SSLSocketFactory`s create `SSLSocket`s.
Stack<E>	The `Stack` class represents a last-in-first-out (LIFO) stack of objects.
StackFrame	The state of one method invocation on a thread's call stack.
StackOverflowError	Thrown when a stack overflow occurs because an application recurses too deeply.
StackTrace	Event annotation, determines whether an event by default has a stack trace or not.
StackTraceElement	An element in a stack trace, as returned by `Throwable.getStackTrace()`.
StackWalker	A stack walker.
StackWalker.Option	Stack walker option to configure the stack frame information obtained by a `StackWalker`.
StackWalker.StackFrame	A `StackFrame` object represents a method invocation returned by `StackWalker`.
StampedLock	A capability-based lock with three modes for controlling read/write access.
StandardCharsets	Constant definitions for the standard `charsets`.
StandardConstants	Standard constants definitions
StandardCopyOption	Defines the standard copy options.
StandardDoclet	This doclet generates HTML-formatted documentation for the specified modules, packages and types.
StandardEmitterMBean	An MBean whose management interface is determined by reflection on a Java interface, and that emits notifications.
StandardJavaFileManager	File manager based on java.io.File and java.nio.file.Path.
StandardJavaFileManager.PathFactory	Factory to create `Path` objects from strings.
StandardLocation	Standard locations of file objects.
StandardMBean	An MBean whose management interface is determined by reflection on a Java interface.
StandardNamespace	An enumeration of standard namespaces defined by Dynalink.
StandardOpenOption	Defines the standard open options.
StandardOperation	Defines the standard dynamic operations.
StandardProtocolFamily	Defines the standard families of communication protocols.
StandardSocketOptions	Defines the standard socket options.
StandardWatchEventKinds	Defines the standard event kinds.
StartDocument	An interface for the start document event
StartElement	The StartElement interface provides access to information about start elements.
StartElementTree	A tree node for the start of an HTML element.
StartTlsRequest	This class implements the LDAPv3 Extended Request for StartTLS as defined in Lightweight Directory Access Protocol (v3): Extension for Transport Layer Security The object identifier for StartTLS is 1.3.6.1.4.1.1466.20037 and no extended request value is defined.
StartTlsResponse	This class implements the LDAPv3 Extended Response for StartTLS as defined in Lightweight Directory Access Protocol (v3): Extension for Transport Layer Security The object identifier for StartTLS is 1.3.6.1.4.1.1466.20037 and no extended response value is defined.
State<T extends JComponent>	Represents a built in, or custom, state in Nimbus.
StateEdit	StateEdit is a general edit for objects that change state.
StateEditable	StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
StateFactory	This interface represents a factory for obtaining the state of an object for binding.
Statement	A `Statement` object represents a primitive statement in which a single method is applied to a target and a set of arguments - as in `"a.setFoo(b)"`.
Statement	The object used for executing a static SQL statement and returning the results it produces.
StatementEvent	A `StatementEvent` is sent to all `StatementEventListener`s which were registered with a `PooledConnection`.
StatementEventListener	An object that registers to be notified of events that occur on PreparedStatements that are in the Statement pool.
StatementSnippet	Snippet for a statement.
StatementTree	A tree node used as the base class for the different kinds of statements.
StatementTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
StaticClass	Object that allows access to the static members of a class (its static methods, properties, and fields), as well as construction of instances using `StandardOperation.NEW` operation.
StAXResult	Acts as a holder for an XML `Result` in the form of a StAX writer,i.e.
StAXSource	Acts as a holder for an XML `Source` in the form of a StAX reader,i.e.
StepEvent	Notification of step completion in the target VM.
StepRequest	Request for notification when a step occurs in the target VM.
Stream<T>	A sequence of elements supporting sequential and parallel aggregate operations.
Stream.Builder<T>	A mutable builder for a `Stream`.
StreamCorruptedException	Thrown when control information that was read from an object stream violates internal consistency checks.
StreamFilter	This interface declares a simple filter interface that one can create to filter XMLStreamReaders
StreamHandler	Stream based logging `Handler`.
StreamingExecutionControl	An implementation of the `ExecutionControl` execution engine SPI which streams requests to a remote agent where execution takes place.
StreamPrintService	This class extends `PrintService` and represents a print service that prints data in different formats to a client-provided output stream.
StreamPrintServiceFactory	A `StreamPrintServiceFactory` is the factory for `StreamPrintService` instances, which can print to an output stream in a particular document format described as a mime type.
StreamReaderDelegate	This is the base class for deriving an XMLStreamReader filter This class is designed to sit between an XMLStreamReader and an application's XMLStreamReader.
StreamResult	Acts as an holder for a transformation result, which may be XML, plain Text, HTML, or some other form of markup.
StreamSource	Acts as an holder for a transformation Source in the form of a stream of XML markup.
StreamSupport	Low-level utility methods for creating and manipulating streams.
StreamTokenizer	The `StreamTokenizer` class takes an input stream and parses it into "tokens", allowing the tokens to be read one at a time.
StrictMath	The class `StrictMath` contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
String	The `String` class represents character strings.
StringBuffer	A thread-safe, mutable sequence of characters.
StringBufferInputStream	Deprecated. This class does not properly convert characters into bytes.
StringBuilder	A mutable sequence of characters.
StringCharacterIterator	`StringCharacterIterator` implements the `CharacterIterator` protocol for a `String`.
StringConcatException	StringConcatException is thrown by `StringConcatFactory` when linkage invariants are violated.
StringConcatFactory	Methods to facilitate the creation of String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
StringContent	An implementation of the AbstractDocument.Content interface that is a brute force implementation that is useful for relatively small documents and/or debugging.
StringIndexOutOfBoundsException	Thrown by `String` methods to indicate that an index is either negative or greater than the size of the string.
StringJoiner	`StringJoiner` is used to construct a sequence of characters separated by a delimiter and optionally starting with a supplied prefix and ending with a supplied suffix.
StringMonitor	Defines a monitor MBean designed to observe the values of a string attribute.
StringMonitorMBean	Exposes the remote management interface of the string monitor MBean.
StringReader	A character stream whose source is a string.
StringRefAddr	This class represents the string form of the address of a communications end-point.
StringReference	A string object from the target VM.
StringSelection	A `Transferable` which implements the capability required to transfer a `String`.
StringTokenizer	The string tokenizer class allows an application to break a string into tokens.
StringValueExp	Represents strings that are arguments to relational constraints.
StringWriter	A character stream that collects its output in a string buffer, which can then be used to construct a string.
Stroke	The `Stroke` interface allows a `Graphics2D` object to obtain a `Shape` that is the decorated outline, or stylistic representation of the outline, of the specified `Shape`.
StrokeBorder	A class which implements a border of an arbitrary stroke.
Struct	The standard mapping in the Java programming language for an SQL structured type.
StubNotFoundException	A `StubNotFoundException` is thrown if a valid stub class could not be found for a remote object when it is exported.
Style	A collection of attributes to associate with an element in a document.
StyleConstants	A collection of well known or common attribute keys and methods to apply to an AttributeSet or MutableAttributeSet to get/set the properties in a typesafe manner.
StyleConstants.CharacterConstants	This is a typesafe enumeration of the well-known attributes that contribute to a character style.
StyleConstants.ColorConstants	This is a typesafe enumeration of the well-known attributes that contribute to a color.
StyleConstants.FontConstants	This is a typesafe enumeration of the well-known attributes that contribute to a font.
StyleConstants.ParagraphConstants	This is a typesafe enumeration of the well-known attributes that contribute to a paragraph style.
StyleContext	A pool of styles and their associated resources.
StyledDocument	Interface for a generic styled document.
StyledEditorKit	This is the set of things needed by a text component to be a reasonably functioning editor for some type of text document.
StyledEditorKit.AlignmentAction	An action to set paragraph alignment.
StyledEditorKit.BoldAction	An action to toggle the bold attribute.
StyledEditorKit.FontFamilyAction	An action to set the font family in the associated JEditorPane.
StyledEditorKit.FontSizeAction	An action to set the font size in the associated JEditorPane.
StyledEditorKit.ForegroundAction	An action to set foreground color.
StyledEditorKit.ItalicAction	An action to toggle the italic attribute.
StyledEditorKit.StyledTextAction	An action that assumes it's being fired on a JEditorPane with a StyledEditorKit (or subclass) installed.
StyledEditorKit.UnderlineAction	An action to toggle the underline attribute.
StyleSheet	Support for defining the visual characteristics of HTML views being rendered.
StyleSheet	The `StyleSheet` interface is the abstract base interface for any type of style sheet.
StyleSheet.BoxPainter	Class to carry out some of the duties of CSS formatting.
StyleSheet.ListPainter	Class to carry out some of the duties of CSS list formatting.
StyleSheetList	The `StyleSheetList` interface provides the abstraction of an ordered collection of style sheets.
Subject	A `Subject` represents a grouping of related information for a single entity, such as a person.
SubjectDelegationPermission	Permission required by an authentication identity to perform operations on behalf of an authorization identity.
SubjectDomainCombiner	A `SubjectDomainCombiner` updates ProtectionDomains with Principals from the `Subject` associated with this `SubjectDomainCombiner`.
SubmissionPublisher<T>	A `Flow.Publisher` that asynchronously issues submitted (non-null) items to current subscribers until it is closed.
SummaryTree	A tree node for an @summary inline tag.
Supplier<T>	Represents a supplier of results.
SupportedAnnotationTypes	An annotation used to indicate what annotation types an annotation processor supports.
SupportedOptions	An annotation used to indicate what options an annotation processor supports.
SupportedSourceVersion	An annotation used to indicate the latest source version an annotation processor supports.
SupportedValuesAttribute	Interface `SupportedValuesAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the supported values for another attribute.
SuppressWarnings	Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
SwingConstants	A collection of constants generally used for positioning and orienting components on the screen.
SwingContainer	An annotation used to specify some swing-related information for the automatically generated `BeanInfo` classes.
SwingEventMonitor	`SwingEventMonitor` extends `AWTEventMonitor` by adding a suite of listeners conditionally installed on every Swing component instance in the Java Virtual Machine.
SwingPropertyChangeSupport	This subclass of `java.beans.PropertyChangeSupport` is almost identical in functionality.
SwingUtilities	A collection of utility methods for Swing.
SwingWorker<T,V>	An abstract class to perform lengthy GUI-interaction tasks in a background thread.
SwingWorker.StateValue	Values for the `state` bound property.
SwitchExpressionTree	Deprecated, for removal: This API element is subject to removal in a future version. This method is modeling switch expressions, which are part of a preview feature and may be removed if the preview feature is removed.
SwitchPoint	A `SwitchPoint` is an object which can publish state transitions to other threads.
SwitchTree	A tree node for a `switch` statement.
SwitchTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
SyncFactory	The Service Provider Interface (SPI) mechanism that generates `SyncProvider` instances to be used by disconnected `RowSet` objects.
SyncFactoryException	Indicates an error with `SyncFactory` mechanism.
SyncFailedException	Signals that a sync operation has failed.
SynchronizedTree	A tree node for a `synchronized` statement.
SynchronousQueue<E>	A blocking queue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa.
SyncProvider	The synchronization mechanism that provides reader/writer capabilities for disconnected `RowSet` objects.
SyncProviderException	Indicates an error with the `SyncProvider` mechanism.
SyncResolver	Defines a framework that allows applications to use a manual decision tree to decide what should be done when a synchronization conflict occurs.
SynthButtonUI	Provides the Synth L&F UI delegate for `JButton`.
SynthCheckBoxMenuItemUI	Provides the Synth L&F UI delegate for `JCheckBoxMenuItem`.
SynthCheckBoxUI	Provides the Synth L&F UI delegate for `JCheckBox`.
SynthColorChooserUI	Provides the Synth L&F UI delegate for `JColorChooser`.
SynthComboBoxUI	Provides the Synth L&F UI delegate for `JComboBox`.
SynthConstants	Constants used by Synth.
SynthContext	An immutable transient object containing contextual information about a `Region`.
SynthDesktopIconUI	Provides the Synth L&F UI delegate for a minimized internal frame on a desktop.
SynthDesktopPaneUI	Provides the Synth L&F UI delegate for `JDesktopPane`.
SynthEditorPaneUI	Provides the Synth L&F UI delegate for `JEditorPane`.
Synthesizer	A `Synthesizer` generates sound.
SynthFormattedTextFieldUI	Provides the Synth L&F UI delegate for `JFormattedTextField`.
SynthGraphicsUtils	Wrapper for primitive graphics calls.
SynthIcon	An icon that is passed a `SynthContext`.
SynthInternalFrameUI	Provides the Synth L&F UI delegate for `JInternalFrame`.
SynthLabelUI	Provides the Synth L&F UI delegate for `JLabel`.
SynthListUI	Provides the Synth L&F UI delegate for `JList`.
SynthLookAndFeel	SynthLookAndFeel provides the basis for creating a customized look and feel.
SynthMenuBarUI	Provides the Synth L&F UI delegate for `JMenuBar`.
SynthMenuItemUI	Provides the Synth L&F UI delegate for `JMenuItem`.
SynthMenuUI	Provides the Synth L&F UI delegate for `JMenu`.
SynthOptionPaneUI	Provides the Synth L&F UI delegate for `JOptionPane`.
SynthPainter	`SynthPainter` is used for painting portions of `JComponent`s.
SynthPanelUI	Provides the Synth L&F UI delegate for `JPanel`.
SynthPasswordFieldUI	Provides the Synth L&F UI delegate for `JPasswordField`.
SynthPopupMenuUI	Provides the Synth L&F UI delegate for `JPopupMenu`.
SynthProgressBarUI	Provides the Synth L&F UI delegate for `JProgressBar`.
SynthRadioButtonMenuItemUI	Provides the Synth L&F UI delegate for `JRadioButtonMenuItem`.
SynthRadioButtonUI	Provides the Synth L&F UI delegate for `JRadioButton`.
SynthRootPaneUI	Provides the Synth L&F UI delegate for `JRootPane`.
SynthScrollBarUI	Provides the Synth L&F UI delegate for `JScrollBar`.
SynthScrollPaneUI	Provides the Synth L&F UI delegate for `JScrollPane`.
SynthSeparatorUI	Provides the Synth L&F UI delegate for `JSeparator`.
SynthSliderUI	Provides the Synth L&F UI delegate for `JSlider`.
SynthSpinnerUI	Provides the Synth L&F UI delegate for `JSpinner`.
SynthSplitPaneUI	Provides the Synth L&F UI delegate for `JSplitPane`.
SynthStyle	`SynthStyle` is a set of style properties.
SynthStyleFactory	Factory used for obtaining `SynthStyle`s.
SynthTabbedPaneUI	Provides the Synth L&F UI delegate for `JTabbedPane`.
SynthTableHeaderUI	Provides the Synth L&F UI delegate for `JTableHeader`.
SynthTableUI	Provides the Synth L&F UI delegate for `JTable`.
SynthTextAreaUI	Provides the look and feel for a plain text editor in the Synth look and feel.
SynthTextFieldUI	Provides the Synth L&F UI delegate for `JTextField`.
SynthTextPaneUI	Provides the look and feel for a styled text editor in the Synth look and feel.
SynthToggleButtonUI	Provides the Synth L&F UI delegate for `JToggleButton`.
SynthToolBarUI	Provides the Synth L&F UI delegate for `JToolBar`.
SynthToolTipUI	Provides the Synth L&F UI delegate for `JToolTip`.
SynthTreeUI	Provides the Synth L&F UI delegate for `JTree`.
SynthUI	SynthUI is used to fetch the SynthContext for a particular Component.
SynthViewportUI	Provides the Synth L&F UI delegate for `JViewport`.
SysexMessage	A `SysexMessage` object represents a MIDI system exclusive message.
System	The `System` class contains several useful class fields and methods.
System.Logger	`System.Logger` instances log messages that will be routed to the underlying logging framework the `LoggerFinder` uses.
System.Logger.Level	System loggers levels.
System.LoggerFinder	The `LoggerFinder` service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
SystemColor	A class to encapsulate symbolic colors representing the color of native GUI objects on a system.
SystemEventListener	Common interface for all event listener sub-types.
SystemFlavorMap	The SystemFlavorMap is a configurable map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
SystemPropertyTree	A tree node for an `@systemProperty` inline tag.
SystemSleepEvent	Event sent when the system enters and exits power save sleep.
SystemSleepListener	Implementors receive notification as the system is entering sleep, and after the system wakes.
SystemTray	The `SystemTray` class represents the system tray for a desktop.
TabableView	Interface for `View`s that have size dependent upon tabs.
TabbedPaneUI	Pluggable look and feel interface for JTabbedPane.
TabExpander	Simple interface to allow for different types of implementations of tab expansion.
TableCellEditor	This interface defines the method any object that would like to be an editor of values for components such as `JListBox`, `JComboBox`, `JTree`, or `JTable` needs to implement.
TableCellRenderer	This interface defines the method required by any object that would like to be a renderer for cells in a `JTable`.
TableColumn	A `TableColumn` represents all the attributes of a column in a `JTable`, such as width, resizability, minimum and maximum width.
TableColumnModel	Defines the requirements for a table column model object suitable for use with `JTable`.
TableColumnModelEvent	TableColumnModelEvent is used to notify listeners that a table column model has changed, such as a column was added, removed, or moved.
TableColumnModelListener	TableColumnModelListener defines the interface for an object that listens to changes in a TableColumnModel.
TableHeaderUI	Pluggable look and feel interface for JTableHeader.
TableModel	The `TableModel` interface specifies the methods the `JTable` will use to interrogate a tabular data model.
TableModelEvent	TableModelEvent is used to notify listeners that a table model has changed.
TableModelListener	TableModelListener defines the interface for an object that listens to changes in a TableModel.
TableRowSorter<M extends TableModel>	An implementation of `RowSorter` that provides sorting and filtering using a `TableModel`.
TableStringConverter	TableStringConverter is used to convert objects from the model into strings.
TableUI	Pluggable look and feel interface for JTable.
TableView	Implements View interface for a table, that is composed of an element structure where the child elements of the element this view is responsible for represent rows and the child elements of the row elements are cells.
TabSet	A TabSet is comprised of many TabStops.
TabStop	This class encapsulates a single tab stop (basically as tab stops are thought of by RTF).
TabularData	The `TabularData` interface specifies the behavior of a specific type of complex open data objects which represent tabular data structures.
TabularDataSupport	The `TabularDataSupport` class is the open data class which implements the `TabularData` and the `Map` interfaces, and which is internally based on a hash map data structure.
TabularType	The `TabularType` class is the open type class whose instances describe the types of `TabularData` values.
TagElement	A generic HTML TagElement class.
Taglet	The interface for a custom taglet supported by doclets such as the `standard doclet`.
Taglet.Location	The kind of location in which a tag may be used.
Target	Indicates the contexts in which an annotation type is applicable.
TargetDataLine	A target data line is a type of `DataLine` from which audio data can be read.
TargetedNotification	A (Notification, Listener ID) pair.
Taskbar	The `Taskbar` class allows a Java application to interact with the system task area (taskbar, Dock, etc.).
Taskbar.Feature	List of provided features.
Taskbar.State	Kinds of available window progress states.
TaskEvent	Provides details about work that has been done by the JDK Java Compiler, javac.
TaskEvent.Kind	Kind of task event.
TaskListener	Provides a listener to monitor the activity of the JDK Java Compiler, javac.
TemplateLiteralTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Templates	An object that implements this interface is the runtime representation of processed transformation instructions.
TemplatesHandler	A SAX ContentHandler that may be used to process SAX parse events (parsing transformation instructions) into a Templates object.
Temporal	Framework-level interface defining read-write access to a temporal object, such as a date, time, offset or some combination of these.
TemporalAccessor	Framework-level interface defining read-only access to a temporal object, such as a date, time, offset or some combination of these.
TemporalAdjuster	Strategy for adjusting a temporal object.
TemporalAdjusters	Common and useful TemporalAdjusters.
TemporalAmount	Framework-level interface defining an amount of time, such as "6 hours", "8 days" or "2 years and 3 months".
TemporalField	A field of date-time, such as month-of-year or hour-of-minute.
TemporalQueries	Common implementations of `TemporalQuery`.
TemporalQuery<R>	Strategy for querying a temporal object.
TemporalUnit	A unit of date-time, such as Days or Hours.
TerminalFactory	A factory for CardTerminal objects.
TerminalFactorySpi	The TerminalFactorySpi class defines the service provider interface.
Text	The `Text` interface inherits from `CharacterData` and represents the textual content (termed character data in XML) of an `Element` or `Attr`.
TextAction	An Action implementation useful for key bindings that are shared across a number of different text components.
TextArea	A `TextArea` object is a multi-line region that displays text.
TextAttribute	The `TextAttribute` class defines attribute keys and attribute values used for text rendering.
TextCallbackHandler	Prompts and reads from the command line for answers to authentication questions.
TextComponent	The `TextComponent` class is the superclass of any component that allows the editing of some text.
TextEvent	A semantic event which indicates that an object's text changed.
TextField	A `TextField` object is a text component that allows for the editing of a single line of text.
TextHitInfo	The `TextHitInfo` class represents a character position in a text model, and a bias, or "side," of the character.
TextInputCallback	Underlying security services instantiate and pass a `TextInputCallback` to the `handle` method of a `CallbackHandler` to retrieve generic text information.
TextLayout	`TextLayout` is an immutable graphical representation of styled character data.
TextLayout.CaretPolicy	Defines a policy for determining the strong caret location.
TextListener	The listener interface for receiving text events.
TextMeasurer	The `TextMeasurer` class provides the primitive operations needed for line break: measuring up to a given advance, determining the advance of a range of characters, and generating a `TextLayout` for a range of characters.
TextOutputCallback	Underlying security services instantiate and pass a `TextOutputCallback` to the `handle` method of a `CallbackHandler` to display information messages, warning messages and error messages.
TextStyle	Enumeration of the style of text formatting and parsing.
TextSyntax	Class `TextSyntax` is an abstract base class providing the common implementation of all attributes whose value is a string.
TextTree	A tree node for plain text.
TextUI	Text editor user interface
TexturePaint	The `TexturePaint` class provides a way to fill a `Shape` with a texture that is specified as a `BufferedImage`.
ThaiBuddhistChronology	The Thai Buddhist calendar system.
ThaiBuddhistDate	A date in the Thai Buddhist calendar system.
ThaiBuddhistEra	An era in the Thai Buddhist calendar system.
Thread	A thread is a thread of execution in a program.
Thread.State	A thread state.
Thread.UncaughtExceptionHandler	Interface for handlers invoked when a `Thread` abruptly terminates due to an uncaught exception.
ThreadDeath	An instance of `ThreadDeath` is thrown in the victim thread when the (deprecated) `Thread.stop()` method is invoked.
ThreadDeathEvent	Notification of a completed thread in the target VM.
ThreadDeathRequest	Request for notification when a thread terminates in the target VM.
ThreadFactory	An object that creates new threads on demand.
ThreadGroup	A thread group represents a set of threads.
ThreadGroupReference	A thread group object from the target VM.
ThreadInfo	Thread information.
ThreadLocal<T>	This class provides thread-local variables.
ThreadLocalRandom	A random number generator isolated to the current thread.
ThreadMXBean	Platform-specific management interface for the thread system of the Java virtual machine.
ThreadMXBean	The management interface for the thread system of the Java virtual machine.
ThreadPoolExecutor	An `ExecutorService` that executes each submitted task using one of possibly several pooled threads, normally configured using `Executors` factory methods.
ThreadPoolExecutor.AbortPolicy	A handler for rejected tasks that throws a `RejectedExecutionException`.
ThreadPoolExecutor.CallerRunsPolicy	A handler for rejected tasks that runs the rejected task directly in the calling thread of the `execute` method, unless the executor has been shut down, in which case the task is discarded.
ThreadPoolExecutor.DiscardOldestPolicy	A handler for rejected tasks that discards the oldest unhandled request and then retries `execute`, unless the executor is shut down, in which case the task is discarded.
ThreadPoolExecutor.DiscardPolicy	A handler for rejected tasks that silently discards the rejected task.
ThreadReference	A thread object from the target VM.
ThreadStartEvent	Notification of a new running thread in the target VM.
ThreadStartRequest	Request for notification when a thread starts execution in the target VM.
Threshold	Event annotation, specifies the default duration below which an event is not recorded (for example, `"20 ms"`).
Throwable	The `Throwable` class is the superclass of all errors and exceptions in the Java language.
ThrowsTree	A tree node for an @exception or @throws block tag.
ThrowTree	A tree node for a `throw` statement.
ThrowTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
TIFFDirectory	A convenience class for simplifying interaction with TIFF native image metadata.
TIFFField	A class representing a field in a TIFF 6.0 Image File Directory.
TIFFImageReadParam	A subclass of `ImageReadParam` allowing control over the TIFF reading process.
TIFFTag	A class defining the notion of a TIFF tag.
TIFFTagSet	A class representing a set of TIFF tags.
TileObserver	An interface for objects that wish to be informed when tiles of a WritableRenderedImage become modifiable by some writer via a call to getWritableTile, and when they become unmodifiable via the last call to releaseWritableTile.
Time	A thin wrapper around the `java.util.Date` class that allows the JDBC API to identify this as an SQL `TIME` value.
TimeLimitExceededException	This exception is thrown when a method does not terminate within the specified time limit.
TimeoutException	Exception thrown when a blocking operation times out.
Timer	A facility for threads to schedule tasks for future execution in a background thread.
Timer	Provides the implementation of the timer MBean.
Timer	Fires one or more `ActionEvent`s at specified intervals.
TimerMBean	Exposes the management interface of the timer MBean.
TimerNotification	This class provides definitions of the notifications sent by timer MBeans.
TimerTask	A task that can be scheduled for one-time or repeated execution by a `Timer`.
Timespan	Event field annotation, specifies that the value is a duration.
Timestamp	This class encapsulates information about a signed timestamp.
Timestamp	A thin wrapper around `java.util.Date` that allows the JDBC API to identify this as an SQL `TIMESTAMP` value.
Timestamp	Event field annotation, specifies that the value is a point in time.
TimeUnit	A `TimeUnit` represents time durations at a given unit of granularity and provides utility methods to convert across units, and to perform timing and delay operations in these units.
TimeZone	`TimeZone` represents a time zone offset, and also figures out daylight savings.
TimeZoneNameProvider	An abstract class for service providers that provide localized time zone names for the `TimeZone` class.
TitledBorder	A class which implements an arbitrary border with the addition of a String title in a specified position and justification.
ToDoubleBiFunction<T,U>	Represents a function that accepts two arguments and produces a double-valued result.
ToDoubleFunction<T>	Represents a function that produces a double-valued result.
ToIntBiFunction<T,U>	Represents a function that accepts two arguments and produces an int-valued result.
ToIntFunction<T>	Represents a function that produces an int-valued result.
ToLongBiFunction<T,U>	Represents a function that accepts two arguments and produces a long-valued result.
ToLongFunction<T>	Represents a function that produces a long-valued result.
Tool	Common interface for tools that can be invoked from a program.
ToolBarUI	Pluggable look and feel interface for JToolBar.
Toolkit	This class is the abstract superclass of all actual implementations of the Abstract Window Toolkit.
ToolProvider	An interface for command-line tools to provide a way to be invoked without necessarily starting a new VM.
ToolProvider	Provides methods for locating tool providers, for example, providers of compilers.
ToolTipManager	Manages all the `ToolTips` in the system.
ToolTipUI	Pluggable look and feel interface for JToolTip.
TooManyListenersException	The `TooManyListenersException` Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.
TopLevelWindowListener	The `TopLevelWindowListener` interface is used by the `EventQueueMonitor` class to notify an interested party when a top level window is created or destroyed in the Java Virtual Machine.
Track	A MIDI track is an independent stream of MIDI events (time-stamped MIDI data) that can be stored along with other tracks in a standard MIDI file.
TransactionalWriter	A specialized interface that facilitates an extension of the standard `SyncProvider` abstract class so that it has finer grained transaction control.
Transferable	Defines the interface for classes that can be used to provide data for a transfer operation.
TransferHandler	This class is used to handle the transfer of a `Transferable` to and from Swing components.
TransferHandler.DropLocation	Represents a location where dropped data should be inserted.
TransferHandler.TransferSupport	This class encapsulates all relevant details of a clipboard or drag and drop transfer, and also allows for customizing aspects of the drag and drop experience.
TransferQueue<E>	A `BlockingQueue` in which producers may wait for consumers to receive elements.
Transform	A representation of the XML `Transform` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
TransformAttribute	The `TransformAttribute` class provides an immutable wrapper for a transform so that it is safe to use as an attribute.
Transformer	An instance of this abstract class can transform a source tree into a result tree.
TransformerConfigurationException	Indicates a serious configuration error.
TransformerException	This class specifies an exceptional condition that occurred during the transformation process.
TransformerFactory	A TransformerFactory instance can be used to create `Transformer` and `Templates` objects.
TransformerFactoryConfigurationError	Thrown when a problem with configuration with the Transformer Factories exists.
TransformerHandler	A TransformerHandler listens for SAX ContentHandler parse events and transforms them to a Result.
TransformException	Indicates an exceptional condition that occurred while executing a transform algorithm.
TransformParameterSpec	A specification of algorithm parameters for a `Transform` algorithm.
TransformService	A Service Provider Interface for transform and canonicalization algorithms.
Transient	Indicates that an attribute called "transient" should be declared with the given `value` when the `Introspector` constructs a `PropertyDescriptor` or `EventSetDescriptor` classes associated with the annotated code element.
TransitionFrom	Event field annotation, specifies that the event transitioned from a thread.
TransitionTo	Event field annotation, specifies that the event will soon transition to a thread.
Translator	The `Translator` class provides a translation to interface `Accessible` for objects that do not implement interface `Accessible`.
Transmitter	A `Transmitter` sends `MidiEvent` objects to one or more `Receivers`.
Transparency	The `Transparency` interface defines the common transparency modes for implementing classes.
Transport	A method of communication between a debugger and a target VM.
TransportService	A transport service for connections between a debugger and a target VM.
TransportService.Capabilities	The transport service capabilities.
TransportService.ListenKey	A listen key.
TransportTimeoutException	This exception may be thrown as a result of a timeout when attaching to a target VM, or waiting to accept a connection from a target VM.
TrayIcon	A `TrayIcon` object represents a tray icon that can be added to the `system tray`.
TrayIcon.MessageType	The message type determines which icon will be displayed in the caption of the message, and a possible system sound a message may generate upon showing.
Tree	Common interface for all nodes in an abstract syntax tree.
Tree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Tree.Kind	Enumerates all kinds of trees.
Tree.Kind	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
TreeCellEditor	Adds to CellEditor the extensions necessary to configure an editor in a tree.
TreeCellRenderer	Defines the requirements for an object that displays a tree node.
TreeExpansionEvent	An event used to identify a single path in a tree.
TreeExpansionListener	The listener that's notified when a tree expands or collapses a node.
TreeMap<K,V>	A Red-Black tree based `NavigableMap` implementation.
TreeModel	The model used by `JTree`.
TreeModelEvent	Encapsulates information describing changes to a tree model, and used to notify tree model listeners of the change.
TreeModelListener	Defines the interface for an object that listens to changes in a TreeModel.
TreeNode	Defines the requirements for an object that can be used as a tree node in a JTree.
TreePath	A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level CompilationUnitTree node.
TreePath	`TreePath` represents an array of objects that uniquely identify the path to a node in a tree.
TreePathScanner<R,P>	A TreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
Trees	Bridges JSR 199, JSR 269, and the Tree API.
TreeScanner<R,P>	A TreeVisitor that visits all the child tree nodes.
TreeSelectionEvent	An event that characterizes a change in the current selection.
TreeSelectionListener	The listener that's notified when the selection in a TreeSelectionModel changes.
TreeSelectionModel	This interface represents the current state of the selection for the tree component.
TreeSet<E>	A `NavigableSet` implementation based on a `TreeMap`.
TreeUI	Pluggable look and feel interface for JTree.
TreeVisitor<R,P>	A visitor of trees, in the style of the visitor design pattern.
TreeVisitor<R,P>	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
TreeWalker	`TreeWalker` objects are used to navigate a document tree or subtree using the view of the document defined by their `whatToShow` flags and filter (if any).
TreeWillExpandListener	The listener that's notified when a tree expands or collapses a node.
TrustAnchor	A trust anchor or most-trusted Certification Authority (CA).
TrustManager	This is the base interface for JSSE trust managers.
TrustManagerFactory	This class acts as a factory for trust managers based on a source of trust material.
TrustManagerFactorySpi	This class defines the Service Provider Interface (SPI) for the `TrustManagerFactory` class.
TryTree	A tree node for a `try` statement.
TryTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
Type	The mirror for a type in the target VM.
Type	Type is the common superinterface for all types in the Java programming language.
TypeBasedGuardingDynamicLinker	A guarding dynamic linker that can determine whether it can link the call site solely based on the type of the first argument at linking invocation time.
TypeCastTree	A tree node for a type cast expression.
TypeComponent	An entity declared within a user defined type (class or interface).
TypeDeclSnippet	Snippet for a type definition (a class, interface, enum, or annotation interface definition).
TypeDescriptor	An entity that has a field or method type descriptor
TypeDescriptor.OfField<F extends TypeDescriptor.OfField<F>>	An entity that has a field type descriptor
TypeDescriptor.OfMethod<F extends TypeDescriptor.OfField<F>,M extends TypeDescriptor.OfMethod<F,M>>	An entity that has a method type descriptor
TypeElement	Represents a class or interface program element.
TypeInfo	The `TypeInfo` interface represents a type referenced from `Element` or `Attr` nodes, specified in the schemas associated with the document.
TypeInfoProvider	This class provides access to the type information determined by `ValidatorHandler`.
TypeKind	The kind of a type mirror.
TypeKindVisitor6<R,P>	A visitor of types based on their kind with default behavior appropriate for the `RELEASE_6` source version.
TypeKindVisitor7<R,P>	A visitor of types based on their kind with default behavior appropriate for the `RELEASE_7` source version.
TypeKindVisitor8<R,P>	A visitor of types based on their kind with default behavior appropriate for the `RELEASE_8` source version.
TypeKindVisitor9<R,P>	A visitor of types based on their kind with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_13`.
TypeMirror	Represents a type in the Java programming language.
TypeNotPresentException	Thrown when an application tries to access a type using a string representing the type's name, but no definition for the type with the specified name can be found.
TypeParameterElement	Represents a formal type parameter of a generic class, interface, method, or constructor element.
TypeParameterTree	A tree node for a type parameter.
Types	The class that defines the constants that are used to identify generic SQL types, called JDBC types.
Types	Utility methods for operating on types.
TypeUtilities	Various static utility methods for working with Java types.
TypeVariable<D extends GenericDeclaration>	TypeVariable is the common superinterface for type variables of kinds.
TypeVariable	Represents a type variable.
TypeVisitor<R,P>	A visitor of types, in the style of the visitor design pattern.
UIClientPropertyKey	This interface is used only for tagging keys for client properties for `JComponent` set by UI which needs to be cleared on L&F change and serialization.
UID	A `UID` represents an identifier that is unique over time with respect to the host it is generated on, or one of 2¹⁶ "well-known" identifiers.
UIDefaults	A table of defaults for Swing components.
UIDefaults.ActiveValue	This class enables one to store an entry in the defaults table that's constructed each time it's looked up with one of the `getXXX(key)` methods.
UIDefaults.LazyInputMap	`LazyInputMap` will create a `InputMap` in its `createValue` method.
UIDefaults.LazyValue	This class enables one to store an entry in the defaults table that isn't constructed until the first time it's looked up with one of the `getXXX(key)` methods.
UIDefaults.ProxyLazyValue	This class provides an implementation of `LazyValue` which can be used to delay loading of the Class for the instance to be created.
UIEvent	The `UIEvent` interface provides specific contextual information associated with User Interface events.
UIManager	`UIManager` manages the current look and feel, the set of available look and feels, `PropertyChangeListeners` that are notified when the look and feel changes, look and feel defaults, and convenience methods for obtaining various default values.
UIManager.LookAndFeelInfo	Provides a little information about an installed `LookAndFeel` for the sake of configuring a menu or for initial application set up.
UIResource	This interface is used to mark objects created by ComponentUI delegates.
UnaryOperator<T>	Represents an operation on a single operand that produces a result of the same type as its operand.
UnaryTree	A tree node for postfix and unary expressions.
UnaryTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
UncheckedIOException	Wraps an `IOException` with an unchecked exception.
UndeclaredThrowableException	Thrown by a method invocation on a proxy instance if its invocation handler's `invoke` method throws a checked exception (a `Throwable` that is not assignable to `RuntimeException` or `Error`) that is not assignable to any of the exception types declared in the `throws` clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.
UndoableEdit	An `UndoableEdit` represents an edit.
UndoableEditEvent	An event indicating that an operation which can be undone has occurred.
UndoableEditListener	Interface implemented by a class interested in hearing about undoable operations.
UndoableEditSupport	A support class used for managing `UndoableEdit` listeners.
UndoManager	`UndoManager` manages a list of `UndoableEdits`, providing a way to undo or redo the appropriate edits.
UnexpectedException	An `UnexpectedException` is thrown if the client of a remote method call receives, as a result of the call, a checked exception that is not among the checked exception types declared in the `throws` clause of the method in the remote interface.
UnicastRemoteObject	Used for exporting a remote object with JRMP and obtaining a stub that communicates to the remote object.
UnionType	Represents a union type.
UnionTypeTree	A tree node for a union type expression in a multicatch variable declaration.
UnixLoginModule	This `LoginModule` imports a user's Unix `Principal` information (`UnixPrincipal`, `UnixNumericUserPrincipal`, and `UnixNumericGroupPrincipal`) and associates them with the current `Subject`.
UnixNumericGroupPrincipal	This class implements the `Principal` interface and represents a user's Unix group identification number (GID).
UnixNumericUserPrincipal	This class implements the `Principal` interface and represents a user's Unix identification number (UID).
UnixOperatingSystemMXBean	Platform-specific management interface for the Unix operating system on which the Java virtual machine is running.
UnixPrincipal	This class implements the `Principal` interface and represents a Unix user.
UnixSystem	This class implementation retrieves and makes available Unix UID/GID/groups information for the current user.
UnknownAnnotationValueException	Indicates that an unknown kind of annotation value was encountered.
UnknownBlockTagTree	A tree node for an unrecognized inline tag.
UnknownDirectiveException	Indicates that an unknown kind of module directive was encountered.
UnknownElementException	Indicates that an unknown kind of element was encountered.
UnknownEntityException	Superclass of exceptions which indicate that an unknown kind of entity was encountered.
UnknownError	Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.
UnknownFormatConversionException	Unchecked exception thrown when an unknown conversion is given.
UnknownFormatFlagsException	Unchecked exception thrown when an unknown flag is given.
UnknownGroupException	An `UnknownGroupException` is thrown by methods of classes and interfaces in the `java.rmi.activation` package when the `ActivationGroupID` parameter to the method is determined to be invalid, i.e., not known by the `ActivationSystem`.
UnknownHostException	Thrown to indicate that the IP address of a host could not be determined.
UnknownHostException	An `UnknownHostException` is thrown if a `java.net.UnknownHostException` occurs while creating a connection to the remote host for a remote method call.
UnknownInlineTagTree	A tree node for an unrecognized inline tag.
UnknownObjectException	An `UnknownObjectException` is thrown by methods of classes and interfaces in the `java.rmi.activation` package when the `ActivationID` parameter to the method is determined to be invalid.
UnknownServiceException	Thrown to indicate that an unknown service exception has occurred.
UnknownTreeException	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
UnknownTypeException	Indicates that an unknown kind of type was encountered.
UnmappableCharacterException	Checked exception thrown when an input character (or byte) sequence is valid but cannot be mapped to an output byte (or character) sequence.
UnmarshalException	An `UnmarshalException` can be thrown while unmarshalling the parameters or results of a remote method call if any of the following conditions occur: if an exception occurs while unmarshalling the call header if the protocol for the return value is invalid if a `java.io.IOException` occurs unmarshalling parameters (on the server side) or the return value (on the client side).
UnmodifiableClassException	Thrown by an implementation of `Instrumentation.redefineClasses` when one of the specified classes cannot be modified.
UnmodifiableModuleException	Thrown to indicate that a module cannot be modified.
UnmodifiableSetException	Thrown to indicate that the requested operation cannot be performed because the set is unmodifiable.
UnrecoverableEntryException	This exception is thrown if an entry in the keystore cannot be recovered.
UnrecoverableKeyException	This exception is thrown if a key in the keystore cannot be recovered.
Unreferenced	A remote object implementation should implement the `Unreferenced` interface to receive notification when there are no more clients that reference that remote object.
UnresolvedAddressException	Unchecked exception thrown when an attempt is made to invoke a network operation upon an unresolved socket address.
UnresolvedPermission	The UnresolvedPermission class is used to hold Permissions that were "unresolved" when the Policy was initialized.
UnresolvedReferenceException	Exception reported on attempting to execute a `RECOVERABLE_DEFINED` snippet.
UnsatisfiedLinkError	Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared `native`.
Unsigned	Event field annotation, specifies that the value is of an unsigned data type.
UnsolicitedNotification	This interface represents an unsolicited notification as defined in RFC 2251.
UnsolicitedNotificationEvent	This class represents an event fired in response to an unsolicited notification sent by the LDAP server.
UnsolicitedNotificationListener	This interface is for handling `UnsolicitedNotificationEvent`.
UnsupportedAddressTypeException	Unchecked exception thrown when an attempt is made to bind or connect to a socket address of a type that is not supported.
UnsupportedAudioFileException	An `UnsupportedAudioFileException` is an exception indicating that an operation failed because a file did not contain valid data of a recognized file type and format.
UnsupportedCallbackException	Signals that a `CallbackHandler` does not recognize a particular `Callback`.
UnsupportedCharsetException	Unchecked exception thrown when no support is available for a requested charset.
UnsupportedClassVersionError	Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.
UnsupportedEncodingException	The Character Encoding is not supported.
UnsupportedFlavorException	Signals that the requested data is not supported in this flavor.
UnsupportedLookAndFeelException	An exception that indicates the requested look & feel management classes are not present on the user's system.
UnsupportedOperationException	Thrown to indicate that the requested operation is not supported.
UnsupportedTemporalTypeException	UnsupportedTemporalTypeException indicates that a ChronoField or ChronoUnit is not supported for a Temporal class.
URI	Represents a Uniform Resource Identifier (URI) reference.
URICertStoreParameters	Parameters used as input for `CertStore` algorithms which use information contained in a URI to retrieve certificates and CRLs.
URIDereferencer	A dereferencer of `URIReference`s.
URIException	Interface `URIException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving a `URI` address.
URIParameter	A parameter that contains a URI pointing to data intended for a PolicySpi or ConfigurationSpi implementation.
URIReference	Identifies a data object via a URI-Reference, as specified by RFC 2396.
URIReferenceException	Indicates an exceptional condition thrown while dereferencing a `URIReference`.
URIResolver	An object that implements this interface that can be called by the processor to turn a URI used in document(), xsl:import, or xsl:include into a Source object.
URISyntax	Class `URISyntax` is an abstract base class providing the common implementation of all attributes whose value is a Uniform Resource Identifier (URI).
URISyntaxException	Checked exception thrown to indicate that a string could not be parsed as a URI reference.
URL	Class `URL` represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.
URLClassLoader	This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
URLConnection	The abstract class `URLConnection` is the superclass of all classes that represent a communications link between the application and a URL.
URLDecoder	Utility class for HTML form decoding.
URLEncoder	Utility class for HTML form encoding.
URLPermission	Represents permission to access a resource or set of resources defined by a given url, and for a given set of user-settable request methods and request headers.
URLReader	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
URLStreamHandler	The abstract class `URLStreamHandler` is the common superclass for all stream protocol handlers.
URLStreamHandlerFactory	This interface defines a factory for `URL` stream protocol handlers.
URLStreamHandlerProvider	URL stream handler service-provider class.
UserDataHandler	When associating an object to a key on a node using `Node.setUserData()` the application can provide a handler that gets called when the node the object is associated to is being cloned, imported, or renamed.
UserDefinedFileAttributeView	A file attribute view that provides a view of a file's user-defined attributes, sometimes known as extended attributes.
UserPrincipal	A user principal identified by a username or account name.
UserPrincipal	A `Principal` representing an identity used to determine access rights to objects in a file system.
UserPrincipalLookupService	An object to lookup user and group principals by name.
UserPrincipalNotFoundException	Checked exception thrown when a lookup of `UserPrincipal` fails because the principal does not exist.
UserSessionEvent	Event sent when the user session has been changed.
UserSessionEvent.Reason	Kinds of available reasons of user session change.
UserSessionListener	Implementors receive notification when the user session changes.
UsesTree	A tree node for an @uses block tag.
UsesTree	A tree node for a 'uses' directive in a module declaration.
UTFDataFormatException	Signals that a malformed string in modified UTF-8 format has been read in a data input stream or by any class that implements the data input interface.
Util	Miscellaneous utility methods for setting-up implementations of `ExecutionControl`.
Utilities	A collection of methods to deal with various text related activities.
UUID	A class that represents an immutable universally unique identifier (UUID).
Validator	A processor that checks an XML document against `Schema`.
ValidatorHandler	Streaming validator that works on SAX stream.
Value	The mirror for a value in the target VM.
ValueDescriptor	Describes the event fields and annotation elements.
ValueExp	Represents values that can be passed as arguments to relational expressions.
ValueRange	The range of valid values for a date-time field.
ValueTree	A tree node for an @value inline tag.
VarHandle	A VarHandle is a dynamically strongly typed reference to a variable, or to a parametrically-defined family of variables, including static fields, non-static fields, array elements, or components of an off-heap data structure.
VarHandle.AccessMode	The set of access modes that specify how a variable, referenced by a VarHandle, is accessed.
VarHandle.VarHandleDesc	A nominal descriptor for a `VarHandle` constant.
VariableElement	Represents a field, `enum` constant, method or constructor parameter, local variable, resource variable, or exception parameter.
VariableHeightLayoutCache	NOTE: This will become more open in a future release.
VariableTree	A tree node for a variable declaration.
VariableTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
VarSnippet	Snippet for a variable definition.
Vector<E>	The `Vector` class implements a growable array of objects.
VerifyError	Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem.
VersionTree	A tree node for an @version block tag.
VetoableChangeListener	A VetoableChange event gets fired whenever a bean changes a "constrained" property.
VetoableChangeListenerProxy	A class which extends the `EventListenerProxy` specifically for adding a `VetoableChangeListener` with a "constrained" property.
VetoableChangeSupport	This is a utility class that can be used by beans that support constrained properties.
View	A very important part of the text package is the `View` class.
ViewCSS	This interface represents a CSS view.
ViewFactory	A factory to create a view of some portion of document subject.
ViewportLayout	The default layout manager for `JViewport`.
ViewportUI	Pluggable look and feel interface for JViewport.
VirtualMachine	A virtual machine targeted for debugging.
VirtualMachine	A Java virtual machine.
VirtualMachineDescriptor	Describes a Java virtual machine.
VirtualMachineError	Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
VirtualMachineManager	A manager of connections to target virtual machines.
Visibility	Under some circumstances a bean may be run on servers where a GUI is not available.
VMCannotBeModifiedException	Thrown to indicate that the operation is invalid because it would modify the VM and the VM is read-only.
VMDeathEvent	Notification of target VM termination.
VMDeathRequest	Request for notification when the target VM terminates.
VMDisconnectedException	Unchecked exception thrown to indicate that the requested operation cannot be completed because there is no longer a connection to the target VM.
VMDisconnectEvent	Notification of disconnection from target VM.
VMID	A VMID is a identifier that is unique across all Java virtual machines.
VMMismatchException	Thrown to indicate that the requested operation cannot be completed because the a mirror from one target VM is being combined with a mirror from another target VM.
VMOption	Information about a VM option including its value and where the value came from which is referred as its `origin`.
VMOption.Origin	Origin of the value of a VM option.
VMOutOfMemoryException	Thrown to indicate that the requested operation cannot be completed because the target VM has run out of memory.
VMStartEvent	Notification of initialization of a target VM.
VMStartException	A target VM was successfully launched, but terminated with an error before a connection could be established.
VoiceStatus	A `VoiceStatus` object contains information about the current status of one of the voices produced by a `Synthesizer`.
Void	The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
VoidType	The type of all primitive `void` values accessed in the target VM.
VoidValue	Provides access to a primitive `void` value in the target VM.
VolatileCallSite	A `VolatileCallSite` is a `CallSite` whose target acts like a volatile variable.
VolatileImage	VolatileImage is an image which can lose its contents at any time due to circumstances beyond the control of the application (e.g., situations caused by the operating system or by other applications).
Watchable	An object that may be registered with a watch service so that it can be watched for changes and events.
WatchEvent<T>	An event or a repeated event for an object that is registered with a `WatchService`.
WatchEvent.Kind<T>	An event kind, for the purposes of identification.
WatchEvent.Modifier	An event modifier that qualifies how a `Watchable` is registered with a `WatchService`.
WatchKey	A token representing the registration of a `watchable` object with a `WatchService`.
WatchpointEvent	Notification of a field triggered event encountered by a thread in the target VM.
WatchpointRequest	Identifies a `Field` in the target VM being watched.
WatchService	A watch service that watches registered objects for changes and events.
WeakHashMap<K,V>	Hash table based implementation of the `Map` interface, with weak keys.
WeakReference<T>	Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.
WebRowSet	The standard interface that all implementations of a `WebRowSet` must implement.
WebSocket	A WebSocket Client.
WebSocket.Builder	A builder of WebSocket Clients.
WebSocket.Listener	The receiving interface of `WebSocket`.
WebSocketHandshakeException	Thrown when the opening handshake has failed.
WeekFields	Localized definitions of the day-of-week, week-of-month and week-of-year fields.
WhileLoopTree	A tree node for a `while` loop statement.
WhileLoopTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
WildcardTree	A tree node for a wildcard type argument.
WildcardType	WildcardType represents a wildcard type expression, such as `?`, `? extends Number`, or `? super Integer`.
WildcardType	Represents a wildcard type argument.
Window	A `Window` object is a top-level window with no borders and no menubar.
Window.Type	Enumeration of available window types.
WindowAdapter	An abstract adapter class for receiving window events.
WindowConstants	Constants used to control the window-closing operation.
WindowEvent	A low-level event that indicates that a window has changed its status.
WindowFocusListener	The listener interface for receiving `WindowEvents`, including `WINDOW_GAINED_FOCUS` and `WINDOW_LOST_FOCUS` events.
WindowListener	The listener interface for receiving window events.
WindowStateListener	The listener interface for receiving window state events.
WithTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
WrappedPlainView	View of plain text (text with only one font and color) that does line-wrapping.
Wrapper	Interface for JDBC classes which provide the ability to retrieve the delegate instance when the instance in question is in fact a proxy class.
WritableByteChannel	A channel that can write bytes.
WritableRaster	This class extends Raster to provide pixel writing capabilities.
WritableRenderedImage	WritableRenderedImage is a common interface for objects which contain or can produce image data in the form of Rasters and which can be modified and/or written over.
WriteAbortedException	Signals that one of the ObjectStreamExceptions was thrown during a write operation.
WritePendingException	Unchecked exception thrown when an attempt is made to write to an asynchronous socket channel and a previous write has not completed.
Writer	Abstract class for writing to character streams.
WrongMethodTypeException	Thrown to indicate that code has attempted to call a method handle via the wrong method type.
X500Principal	This class represents an X.500 `Principal`.
X500PrivateCredential	This class represents an `X500PrivateCredential`.
X509Certificate	Abstract class for X.509 certificates.
X509Certificate	Deprecated, for removal: This API element is subject to removal in a future version. Use the classes in `java.security.cert` instead.
X509CertSelector	A `CertSelector` that selects `X509Certificates` that match all specified criteria.
X509CRL	Abstract class for an X.509 Certificate Revocation List (CRL).
X509CRLEntry	Abstract class for a revoked certificate in a CRL (Certificate Revocation List).
X509CRLSelector	A `CRLSelector` that selects `X509CRLs` that match all specified criteria.
X509Data	A representation of the XML `X509Data` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
X509EncodedKeySpec	This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type `SubjectPublicKeyInfo`.
X509ExtendedKeyManager	Abstract class that provides for extension of the X509KeyManager interface.
X509ExtendedTrustManager	Extensions to the `X509TrustManager` interface to support SSL/TLS/DTLS connection sensitive trust management.
X509Extension	Interface for an X.509 extension.
X509IssuerSerial	A representation of the XML `X509IssuerSerial` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
X509KeyManager	Instances of this interface manage which X509 certificate-based key pairs are used to authenticate the local side of a secure socket.
X509TrustManager	Instance of this interface manage which X509 certificates may be used to authenticate the remote side of a secure socket.
XAConnection	An object that provides support for distributed transactions.
XAConnectionBuilder	A builder created from a `XADataSource` object, used to establish a connection to the database that the `data source` object represents.
XADataSource	A factory for `XAConnection` objects that is used internally.
XAException	The XAException is thrown by the Resource Manager (RM) to inform the Transaction Manager of an error encountered by the involved transaction.
XAResource	The XAResource interface is a Java mapping of the industry standard XA interface based on the X/Open CAE Specification (Distributed Transaction Processing: The XA Specification).
XECKey	An interface for an elliptic curve public/private key as defined by RFC 7748.
XECPrivateKey	An interface for an elliptic curve private key as defined by RFC 7748.
XECPrivateKeySpec	A class representing elliptic curve private keys as defined in RFC 7748, including the curve and other algorithm parameters.
XECPublicKey	An interface for an elliptic curve public key as defined by RFC 7748.
XECPublicKeySpec	A class representing elliptic curve public keys as defined in RFC 7748, including the curve and other algorithm parameters.
Xid	The Xid interface is a Java mapping of the X/Open transaction identifier XID structure.
XMLConstants	Utility class to contain basic XML values as constants.
XMLCryptoContext	Contains common context information for XML cryptographic operations.
XMLDecoder	The `XMLDecoder` class is used to read XML documents created using the `XMLEncoder` and is used just like the `ObjectInputStream`.
XMLEncoder	The `XMLEncoder` class is a complementary alternative to the `ObjectOutputStream` and can used to generate a textual representation of a JavaBean in the same way that the `ObjectOutputStream` can be used to create binary representation of `Serializable` objects.
XMLEvent	This is the base event interface for handling markup events.
XMLEventAllocator	This interface defines a class that allows a user to register a way to allocate events given an XMLStreamReader.
XMLEventConsumer	This interface defines an event consumer interface.
XMLEventFactory	This interface defines a utility class for creating instances of XMLEvents
XMLEventReader	This is the top level interface for parsing XML Events.
XMLEventWriter	This is the top level interface for writing XML documents.
XMLFilter	Interface for an XML filter.
XMLFilterImpl	Base class for deriving an XML filter.
XMLFormatter	Format a LogRecord into a standard XML format.
XMLGregorianCalendar	Representation for W3C XML Schema 1.0 date/time datatypes.
XMLInputFactory	Defines an abstract implementation of a factory for getting streams.
XMLObject	A representation of the XML `Object` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
XMLOutputFactory	Defines an abstract implementation of a factory for getting XMLEventWriters and XMLStreamWriters.
XMLParseException	This exception is thrown when an XML formatted string is being parsed into ModelMBean objects or when XML formatted strings are being created from ModelMBean objects.
XmlReader	A specialized interface that facilitates an extension of the `SyncProvider` abstract class for XML orientated synchronization providers.
XMLReader	Interface for reading an XML document using callbacks.
XMLReaderAdapter	Adapt a SAX2 XMLReader as a SAX1 Parser.
XMLReaderFactory	Deprecated. It is recommended to use `SAXParserFactory` instead.
XMLReporter	This interface is used to report non-fatal errors.
XMLResolver	This interface is used to resolve resources during an XML parse.
XMLSignature	A representation of the XML `Signature` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
XMLSignature.SignatureValue	A representation of the XML `SignatureValue` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
XMLSignatureException	Indicates an exceptional condition that occurred during the XML signature generation or validation process.
XMLSignatureFactory	A factory for creating `XMLSignature` objects from scratch or for unmarshalling an `XMLSignature` object from a corresponding XML representation.
XMLSignContext	Contains context information for generating XML Signatures.
XMLStreamConstants	This interface declares the constants used in this API.
XMLStreamException	The base exception for unexpected processing errors.
XMLStreamReader	The XMLStreamReader interface allows forward, read-only access to XML.
XMLStreamWriter	The XMLStreamWriter interface specifies how to write XML.
XMLStructure	A representation of an XML structure from any namespace.
XMLValidateContext	Contains context information for validating XML Signatures.
XmlWriter	A specialized interface that facilitates an extension of the `SyncProvider` abstract class for XML orientated synchronization providers.
XPath	`XPath` provides access to the XPath evaluation environment and expressions.
XPathConstants	XPath constants.
XPathEvaluationResult<T>	The `XPathEvaluationResult` interface represents the result of the evaluation of an XPath expression within the context of a particular node.
XPathEvaluationResult.XPathResultType	XPathResultType represents possible return types of an XPath evaluation.
XPathEvaluator	The evaluation of XPath expressions is provided by `XPathEvaluator`.
XPathException	`XPathException` represents a generic XPath exception.
XPathException	A new exception has been created for exceptions specific to these XPath interfaces.
XPathExpression	`XPathExpression` provides access to compiled XPath expressions.
XPathExpression	The `XPathExpression` interface represents a parsed and resolved XPath expression.
XPathExpressionException	`XPathExpressionException` represents an error in an XPath expression.
XPathFactory	An `XPathFactory` instance can be used to create `XPath` objects.
XPathFactoryConfigurationException	`XPathFactoryConfigurationException` represents a configuration error in a `XPathFactory` environment.
XPathFilter2ParameterSpec	Parameters for the W3C Recommendation XPath Filter 2.0 Transform Algorithm.
XPathFilterParameterSpec	Parameters for the XPath Filtering Transform Algorithm.
XPathFunction	`XPathFunction` provides access to XPath functions.
XPathFunctionException	`XPathFunctionException` represents an error with an XPath function.
XPathFunctionResolver	`XPathFunctionResolver` provides access to the set of user defined `XPathFunction`s.
XPathNamespace	The `XPathNamespace` interface is returned by `XPathResult` interfaces to represent the XPath namespace node type that DOM lacks.
XPathNodes	XPathNodes represents a set of nodes selected by a location path as specified in XML Path Language (XPath) Version 1.0, 3.3 Node-sets.
XPathNSResolver	The `XPathNSResolver` interface permit `prefix` strings in the expression to be properly bound to `namespaceURI` strings.
XPathResult	The `XPathResult` interface represents the result of the evaluation of an XPath 1.0 expression within the context of a particular node.
XPathType	The XML Schema Definition of the `XPath` element as defined in the W3C Recommendation for XML-Signature XPath Filter 2.0:
XPathType.Filter	Represents the filter set operation.
XPathVariableResolver	`XPathVariableResolver` provides access to the set of user defined XPath variables.
XSLTTransformParameterSpec	Parameters for the XSLT Transform Algorithm.
Year	A year in the ISO-8601 calendar system, such as `2007`.
YearMonth	A year-month in the ISO-8601 calendar system, such as `2007-12`.
YieldTree	Deprecated, for removal: This API element is subject to removal in a future version. This class is modeling yield from switch expressions, which are part of a preview feature and may be removed if the preview feature is removed.
YieldTree	Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
ZipEntry	This class is used to represent a ZIP file entry.
ZipError	Signals that an unrecoverable error has occurred.
ZipException	Signals that a Zip exception of some sort has occurred.
ZipFile	This class is used to read entries from a zip file.
ZipInputStream	This class implements an input stream filter for reading files in the ZIP file format.
ZipOutputStream	This class implements an output stream filter for writing files in the ZIP file format.
ZonedDateTime	A date-time with a time-zone in the ISO-8601 calendar system, such as `2007-12-03T10:15:30+01:00 Europe/Paris`.
ZoneId	A time-zone ID, such as `Europe/Paris`.
ZoneOffset	A time-zone offset from Greenwich/UTC, such as `+02:00`.
ZoneOffsetTransition	A transition between two offsets caused by a discontinuity in the local time-line.
ZoneOffsetTransitionRule	A rule expressing how to create a transition.
ZoneOffsetTransitionRule.TimeDefinition	A definition of the way a local time can be converted to the actual transition date-time.
ZoneRules	The rules defining how the zone offset varies for a single time-zone.
ZoneRulesException	Thrown to indicate a problem with time-zone configuration.
ZoneRulesProvider	Provider of time-zone rules to the system.
ZoneView	ZoneView is a View implementation that creates zones for which the child views are not created or stored until they are needed for display or model/view translations.