java.util
Class HashSet

java.lang.Object
  java.util.AbstractCollection
      java.util.AbstractSet
          java.util.HashSet

All Implemented Interfaces:

Cloneable, Collection, Serializable, Set

Direct Known Subclasses:

JTypeDeclaration.PleomorphSet, LinkedHashSet

public class HashSet

extends AbstractSet

implements Set, Cloneable, Serializable

Field Summary
private  HashMap	map
private static Object	PRESENT
(package private) static long	serialVersionUID

 

Constructor Summary
	HashSet()
	HashSet(int)
	HashSet(int, float)
(package private)	HashSet(int, float, boolean)
	HashSet(Collection)

 

Method Summary
boolean	add(Object)
void	clear()
Object	clone()
boolean	contains(Object)
boolean	isEmpty()
Iterator	iterator()
private  void	readObject(ObjectInputStream)
boolean	remove(Object)
int	size()
private  void	writeObject(ObjectOutputStream)

 

Methods inherited from class java.util.AbstractSet

equals, hashCode, removeAll

 

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, retainAll, toArray, toArray, toString

 

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

 

Methods inherited from interface java.util.Set

addAll, containsAll, equals, hashCode, removeAll, retainAll, toArray, toArray

 

Field Detail

PRESENT

private static final Object PRESENT

map

private transient HashMap map

serialVersionUID

static final long serialVersionUID

HashSet

public HashSet()

HashSet

public HashSet(int)

HashSet

public HashSet(int,
               float)

HashSet

HashSet(int,
        float,
        boolean)

HashSet

public HashSet(Collection)

size

public int size()

Specified by:

size in interface Set

clear

public void clear()

Specified by:

clear in interface Set

Overrides:

clear in class AbstractCollection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Set

Overrides:

isEmpty in class AbstractCollection

readObject

private void readObject(ObjectInputStream)
                 throws IOException,
                        ClassNotFoundException

Throws:

IOException

ClassNotFoundException

writeObject

private void writeObject(ObjectOutputStream)
                  throws IOException

Throws:

IOException

clone

public Object clone()

Overrides:

clone in class Object

add

public boolean add(Object)

Specified by:

add in interface Set

Overrides:

add in class AbstractCollection

contains

public boolean contains(Object)

Specified by:

contains in interface Set

Overrides:

contains in class AbstractCollection

remove

public boolean remove(Object)

Specified by:

remove in interface Set

Overrides:

remove in class AbstractCollection

iterator

public Iterator iterator()

Specified by:

iterator in interface Set