| Package | Description |
|---|---|
| java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
| java.lang.reflect |
Provides classes and interfaces for obtaining reflective
information about classes and objects.
|
| Modifier and Type | Class and Description |
|---|---|
class |
Class<T>
Instances of the class
Class represent classes and
interfaces in a running Java application. |
| Modifier and Type | Method and Description |
|---|---|
Type[] |
Class.getGenericInterfaces()
Returns the
Types representing the interfaces
directly implemented by the class or interface represented by
this object. |
Type |
Class.getGenericSuperclass()
Returns the
Type representing the direct superclass of
the entity (class, interface, primitive type or void) represented by
this Class. |
| Modifier and Type | Interface and Description |
|---|---|
interface |
GenericArrayType
GenericArrayType represents an array type whose component
type is either a parameterized type or a type variable. |
interface |
ParameterizedType
ParameterizedType represents a parameterized type such as
Collection<String>.
|
interface |
TypeVariable<D extends GenericDeclaration>
TypeVariable is the common superinterface for type variables of kinds.
|
interface |
WildcardType
WildcardType represents a wildcard type expression, such as
?, ? extends Number, or ? super Integer. |
| Modifier and Type | Method and Description |
|---|---|
Type[] |
ParameterizedType.getActualTypeArguments()
Returns an array of
Type objects representing the actual type
arguments to this type. |
Type[] |
TypeVariable.getBounds()
Returns an array of
Type objects representing the
upper bound(s) of this type variable. |
Type |
GenericArrayType.getGenericComponentType()
Returns a
Type object representing the component type
of this array. |
Type[] |
Method.getGenericExceptionTypes()
Returns an array of
Type objects that represent the
exceptions declared to be thrown by this Method object. |
Type[] |
Constructor.getGenericExceptionTypes()
Returns an array of
Type objects that represent the
exceptions declared to be thrown by this Constructor object. |
Type[] |
Method.getGenericParameterTypes()
Returns an array of
Type objects that represent the formal
parameter types, in declaration order, of the method represented by
this Method object. |
Type[] |
Constructor.getGenericParameterTypes()
Returns an array of
Type objects that represent the formal
parameter types, in declaration order, of the method represented by
this Constructor object. |
Type |
Method.getGenericReturnType()
Returns a
Type object that represents the formal return
type of the method represented by this Method object. |
Type |
Field.getGenericType()
Returns a
Type object that represents the declared type for
the field represented by this Field object. |
Type[] |
WildcardType.getLowerBounds()
Returns an array of
Type objects representing the
lower bound(s) of this type variable. |
Type |
ParameterizedType.getOwnerType()
Returns a
Type object representing the type that this type
is a member of. |
Type |
ParameterizedType.getRawType()
Returns the
Type object representing the class or interface
that declared this type. |
Type[] |
WildcardType.getUpperBounds()
Returns an array of
Type objects representing the upper
bound(s) of this type variable. |
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For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
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