Java™ Platform
Standard Ed. 6

javax.lang.model.type
Interface WildcardType

All Superinterfaces:
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).

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 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

Java™ Platform
Standard Ed. 6

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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