public interface Collection
extends java.lang.Cloneable
Modifier and Type | Method and Description |
---|---|
Collection |
duplicate() |
java.util.Enumeration |
elements() |
boolean |
includes(java.lang.Object element) |
boolean |
isEmpty() |
int |
size() |
Collection duplicate()
int size()
boolean isEmpty()
boolean includes(java.lang.Object element)
java.util.Enumeration elements()