java.util
Class HashSet

java.lang.Object
  |
  +--java.util.AbstractCollection
        |
        +--java.util.AbstractSet
              |
              +--java.util.HashSet
All Implemented Interfaces:
Cloneable, Collection, java.io.Serializable, Set
Direct Known Subclasses:
LinkedHashSet

public synchronized class HashSet
extends AbstractSet
implements Set, Cloneable, java.io.Serializable


Constructor Summary
HashSet()
           
HashSet(Collection)
           
HashSet(int)
           
HashSet(int, float)
           
 
Method Summary
 boolean add(Object)
           
 void clear()
           
 Object clone()
           
 boolean contains(Object)
           
 boolean isEmpty()
           
 Iterator iterator()
           
 boolean remove(Object)
           
 int size()
    &n