Interface WildcardType

All Superinterfaces:

AnnotatedConstruct, TypeMirror

public interface WildcardType
extends TypeMirror

Represents a wildcard type argument. Examples include:

  ?
  ? extends Number
  ? super T

A wildcard may have its upper bound explicitly set by an extends clause, its lower bound explicitly set by a super clause, or neither (but not both).

See Java Language Specification:

4.5.1 Type Arguments of Parameterized Types

Since:

1.6

Method Summary

Modifier and Type	Method	Description
TypeMirror	getExtendsBound()	Returns the upper bound of this wildcard.
TypeMirror	getSuperBound()	Returns the lower bound of this wildcard.

Methods inherited from interface TypeMirror

accept, equals, getAnnotation, getAnnotationMirrors, getAnnotationsByType, getKind, hashCode, toString

Modifier and Type	Method	Description
<R,P> R	accept(TypeVisitor<R,P> v, P p)	Applies a visitor to this type.
boolean	equals(Object obj)	Obeys the general contract of Object.equals.
<A extends Annotation> A	getAnnotation(Class<A> annotationType)	Returns this construct's annotation of the specified type if such an annotation is present, else null.
List<? extends AnnotationMirror>	getAnnotationMirrors()	Returns the annotations that are directly present on this construct.
<A extends Annotation> A[]	getAnnotationsByType(Class<A> annotationType)	Returns annotations of the specified type that are associated with this construct.
TypeKind	getKind()	Returns the kind of this type.
int	hashCode()	Obeys the general contract of Object.hashCode.
String	toString()	Returns an informative string representation of this type.

Method Details

getExtendsBound

TypeMirror getExtendsBound()

Returns the upper bound of this wildcard. If no upper bound is explicitly declared, null is returned.

Returns:

the upper bound of this wildcard

getSuperBound

TypeMirror getSuperBound()

Returns the lower bound of this wildcard. If no lower bound is explicitly declared, null is returned.

Returns:

the lower bound of this wildcard