org.yestech.lib.lang
Class ArraySet<E>

java.lang.Object
  java.util.AbstractCollection<E>
      java.util.AbstractSet<E>
          org.yestech.lib.lang.ArraySet<E>

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>

public class ArraySet<E>
extends java.util.AbstractSet<E>
implements java.util.Set<E>, java.lang.Cloneable, java.io.Serializable

Implmentation of a Set backed by an ArrayList.

See Also:

Serialized Form

Constructor Summary

ArraySet()

ArraySet(java.util.Collection c)

ArraySet(java.util.Collection c, int size)

ArraySet(int size)

Method Summary

boolean	add(E o) Adds the specified element to this set if it is not already present.
void	clear() Removes all of the elements from this set.
java.lang.Object	clone() Returns a shallow copy of this ArraySet instance: the elements themselves are not cloned.
boolean	contains(java.lang.Object o) Returns true if this set contains the specified element.
boolean	isEmpty() Returns true if this set contains no elements.
java.util.Iterator<E>	iterator() Returns an iterator over the elements contained in this collection.
boolean	remove(java.lang.Object o) Removes the given element from this set if it is present.
int	size() Returns the number of elements in this collection.

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

Constructor Detail

ArraySet

public ArraySet()

ArraySet

public ArraySet(int size)

ArraySet

public ArraySet(java.util.Collection c)

ArraySet

public ArraySet(java.util.Collection c,
                int size)

Method Detail

iterator

public java.util.Iterator<E> iterator()

Returns an iterator over the elements contained in this collection.

Specified by:

iterator in interface java.lang.Iterable<E>

Specified by:

iterator in interface java.util.Collection<E>

Specified by:

iterator in interface java.util.Set<E>

Specified by:

iterator in class java.util.AbstractCollection<E>

Returns:

an iterator over the elements contained in this collection.

size

public int size()

Returns the number of elements in this collection. If the collection contains more than Integer.MAX_VALUE elements, returns Integer.MAX_VALUE.

Specified by:

size in interface java.util.Collection<E>

Specified by:

size in interface java.util.Set<E>

Specified by:

size in class java.util.AbstractCollection<E>

Returns:

the number of elements in this collection.

isEmpty

public boolean isEmpty()

Returns true if this set contains no elements.

Specified by:

isEmpty in interface java.util.Collection<E>

Specified by:

isEmpty in interface java.util.Set<E>

Overrides:

isEmpty in class java.util.AbstractCollection<E>

Returns:

true if this set contains no elements.

contains

public boolean contains(java.lang.Object o)

Returns true if this set contains the specified element.

Specified by:

contains in interface java.util.Collection<E>

Specified by:

contains in interface java.util.Set<E>

Overrides:

contains in class java.util.AbstractCollection<E>

Parameters:

o - element whose presence in this set is to be tested.

Returns:

true if this set contains the specified element.

add

public boolean add(E o)

Adds the specified element to this set if it is not already present.

Specified by:

add in interface java.util.Collection<E>

Specified by:

add in interface java.util.Set<E>

Overrides:

add in class java.util.AbstractCollection<E>

Parameters:

o - element to be added to this set.

Returns:

true if the set did not already contain the specified element.

remove

public boolean remove(java.lang.Object o)

Removes the given element from this set if it is present.

Specified by:

remove in interface java.util.Collection<E>

Specified by:

remove in interface java.util.Set<E>

Overrides:

remove in class java.util.AbstractCollection<E>

Parameters:

o - object to be removed from this set, if present.

Returns:

true if the set contained the specified element.

clear

public void clear()

Removes all of the elements from this set.

Specified by:

clear in interface java.util.Collection<E>

Specified by:

clear in interface java.util.Set<E>

Overrides:

clear in class java.util.AbstractCollection<E>

clone

public java.lang.Object clone()

Returns a shallow copy of this ArraySet instance: the elements themselves are not cloned.

Overrides:

clone in class java.lang.Object

Returns:

a shallow copy of this set.