Package jade.util.leap

Class HashSet

java.lang.Object

jade.util.leap.HashSet

All Implemented Interfaces:

Collection, Serializable, Set, Serializable, Cloneable

public class HashSet
extends Object
implements Set, Cloneable, Serializable

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor	Description
HashSet()
HashSet(int initialCapacity)
HashSet(Collection c)

Method Summary

Modifier and Type	Method	Description
boolean	add(Object o)	Adds an element.
boolean	addAll(Collection c)
void	clear()
Object	clone()
boolean	contains(Object o)
boolean	containsAll(Collection c)
boolean	equals(Object o)
int	hashCode()
boolean	isEmpty()	Checks if the collection contains elements.
Iterator	iterator()	Returns an iterator over the elements in this collection.
boolean	remove(Object o)	Removes one instance of the specified element.
boolean	removeAll(Collection c)
int	size()	Returns the number of elements in this collection.
Object[]	toArray()	Returns an array containing all of the elements in this collection.
Object[]	toArray(Object[] a)

Methods inherited from class java.lang.Object

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

Constructor Detail

HashSet

public HashSet()

HashSet

public HashSet(Collection c)

HashSet

public HashSet(int initialCapacity)

Method Detail

add

public boolean add(Object o)

Description copied from interface: Collection

Adds an element.

Specified by:

add in interface Collection

Returns:

true if the element has been added.

isEmpty

public boolean isEmpty()

Description copied from interface: Collection

Checks if the collection contains elements.

Specified by:

isEmpty in interface Collection

Returns:

true if this collection contains no elements

iterator

public Iterator iterator()

Description copied from interface: Collection

Returns an iterator over the elements in this collection. There are no guarantees concerning the order in which the elements are returned.

Specified by:

iterator in interface Collection

Returns:

an Iterator over the elements in this collection

remove

public boolean remove(Object o)

Description copied from interface: Collection

Removes one instance of the specified element.

Specified by:

remove in interface Collection

Parameters:

o - the element to be removed

Returns:

true if the element has been removed

size

public int size()

Description copied from interface: Collection

Returns the number of elements in this collection.

Specified by:

size in interface Collection

Returns:

the number of elements in this collection.

toArray

public Object[] toArray()

Description copied from interface: Collection

Returns an array containing all of the elements in this collection.

Specified by:

toArray in interface Collection

Returns:

an array containing all of the elements in this collection

clear

public void clear()

contains

public boolean contains(Object o)

clone

public Object clone()

Overrides:

clone in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object

addAll

public boolean addAll(Collection c)

containsAll

public boolean containsAll(Collection c)

removeAll

public boolean removeAll(Collection c)

toArray

public Object[] toArray(Object[] a)