Uses of Class
java.lang.Class

Packages that use Class 
Package Description
com.sun.java.accessibility.util
Provides a collection of interfaces and classes that compose the Java Accessibility Utilities.
com.sun.source.tree
Provides interfaces to represent source code as abstract syntax trees (AST).
java.awt
Contains all of the classes for creating user interfaces and for painting graphics and images.
java.awt.datatransfer
Provides interfaces and classes for transferring data between and within applications.
java.awt.dnd
Drag and Drop is a direct manipulation gesture found in many Graphical User Interface systems that provides a mechanism to transfer information between two entities logically associated with presentation elements in the GUI.
java.awt.image.renderable
Provides classes and interfaces for producing rendering-independent images.
java.beans
Contains classes related to developing beans -- components based on the JavaBeans™ architecture.
java.beans.beancontext
Provides classes and interfaces relating to bean context.
java.io
Provides for system input and output through data streams, serialization and the file system.
java.lang
Provides classes that are fundamental to the design of the Java programming language.
java.lang.annotation
Provides library support for the Java programming language annotation facility.
java.lang.instrument
Provides services that allow Java programming language agents to instrument programs running on the JVM.
java.lang.invoke
The java.lang.invoke package provides low-level primitives for interacting with the Java Virtual Machine.
java.lang.management
Provides the management interfaces for monitoring and management of the Java virtual machine and other components in the Java runtime.
java.lang.reflect
Provides classes and interfaces for obtaining reflective information about classes and objects.
java.lang.runtime
The java.lang.runtime package provides low-level runtime support for the Java language.
java.net
Provides the classes for implementing networking applications.
java.nio.file
Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.
java.nio.file.spi
Service-provider classes for the java.nio.file package.
java.rmi.server
Provides classes and interfaces for supporting the server side of RMI.
java.security
Provides the classes and interfaces for the security framework.
java.sql
Provides the API for accessing and processing data stored in a data source (usually a relational database) using the Java™ programming language.
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent.atomic
A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.prefs
This package allows applications to store and retrieve user and system preference and configuration data.
javax.annotation.processing
Facilities for declaring annotation processors and for allowing annotation processors to communicate with an annotation processing tool environment.
javax.crypto
Provides the classes and interfaces for cryptographic operations.
javax.imageio.metadata
A package of the Java Image I/O API dealing with reading and writing metadata.
javax.imageio.spi
A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.lang.model
Types and hierarchies of packages comprising a Java language model, a model of the declarations and types of the Java programming language.
javax.lang.model.element
Interfaces used to model elements of the Java programming language.
javax.management
Provides the core classes for the Java Management Extensions.
javax.management.loading
Provides the classes which implement advanced dynamic loading.
javax.management.openmbean
Provides the open data types and Open MBean descriptor classes.
javax.naming.spi
Provides the means for dynamically plugging in support for accessing naming and directory services through the javax.naming and related packages.
javax.print
Provides the principal classes and interfaces for the Java™ Print Service API.
javax.print.attribute
Provides classes and interfaces that describe the types of Java™ Print Service attributes and how they can be collected into attribute sets.
javax.print.attribute.standard
Package javax.print.attribute.standard contains classes for specific printing attributes.
javax.script
The scripting API consists of interfaces and classes that define Java™ Scripting Engines and provides a framework for their use in Java applications.
javax.security.auth
This package provides a framework for authentication and authorization.
javax.sound.midi
Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.sampled
Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sql
Provides the API for server side data source access and processing from the Java™ programming language.
javax.sql.rowset
Standard interfaces and base classes for JDBC RowSet implementations.
javax.sql.rowset.serial
Provides utility classes to allow serializable mappings between SQL types and data types in the Java programming language.
javax.swing
Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.event
Provides for events fired by Swing components.
javax.swing.plaf.synth
Synth is a skinnable look and feel in which all painting is delegated.
javax.swing.table
Provides classes and interfaces for dealing with javax.swing.JTable.
javax.swing.text
Provides classes and interfaces that deal with editable and noneditable text components.
javax.swing.tree
Provides classes and interfaces for dealing with javax.swing.JTree.
javax.tools
Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.xml.xpath
Provides an object-model neutral API for the evaluation of XPath expressions and access to the evaluation environment.
jdk.dynalink.beans
Contains the linker for ordinary Java objects.
jdk.dynalink.linker
Contains interfaces and classes needed by language runtimes to implement their own language-specific object models and type conversions.
jdk.dynalink.linker.support
Contains classes that make it more convenient for language runtimes to implement their own language-specific object models and type conversions by providing basic implementations of some classes as well as various utilities.
jdk.incubator.foreign
Classes to support low-level, safe and efficient memory access.
jdk.jfr
This package provides classes to create events and control Flight Recorder.
jdk.jfr.consumer
This package contains classes for consuming Flight Recorder data.
jdk.jshell.execution
Provides implementation support for building JShell execution engines.
jdk.nashorn.api.scripting
This package provides the javax.script integration, which is the preferred way to use Nashorn.
jdk.nashorn.api.tree
Nashorn parser API provides interfaces to represent ECMAScript source code as abstract syntax trees (AST) and Parser to parse ECMAScript source scripts.
jdk.net
Platform specific socket options for the java.net and java.nio.channels socket classes.