WildcardType (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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Java™ Platform
Standard Ed. 6

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javax.lang.model.type
Interface WildcardType

All Superinterfaces:: TypeMirror

public interface WildcardType
extends TypeMirror
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).

Since:: 1.6

Method Summary

TypeMirror getExtendsBound()
Returns the upper bound of this wildcard.

TypeMirror getSuperBound()
Returns the lower bound of this wildcard.

Methods inherited from interface javax.lang.model.type.TypeMirror

accept, equals, getKind, hashCode, toString

Method Summary
`TypeMirror`	`getExtendsBound()` Returns the upper bound of this wildcard.
`TypeMirror`	`getSuperBound()` Returns the lower bound of this wildcard.

Methods inherited from interface javax.lang.model.type.TypeMirror
`accept, equals, getKind, hashCode, toString`

Method Detail

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