Java Doc for WildcardType.java in » 6.0-JDK-Modules-com.sun » mirror » com » sun » mirror » type » Java Source Code / Java DocumentationJava Source Code and Java Documentation
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).
author: Joseph D. Darcy author: Scott Seligman version: 1.12 07/05/05 since: 1.5
Returns the lower bounds of this wildcard.
If no lower bound is explicitly declared, then
an empty collection is returned.
the lower bounds of this wildcard
Returns the upper bounds of this wildcard.
If no upper bound is explicitly declared, then
an empty collection is returned.
the upper bounds of this wildcard