weiss.util
Class AbstractCollection

java.lang.Object
  |
  +--weiss.util.AbstractCollection

All Implemented Interfaces:

Collection, java.io.Serializable

Direct Known Subclasses:

ArrayList, HashSet, LinkedList, TreeSet

public abstract class AbstractCollection

extends java.lang.Object

implements Collection

AbstractCollection provides default implementations for some of the easy methods in the Collection interface.

See Also:

Serialized Form

Constructor Summary

AbstractCollection()

Method Summary

void	clear() Change the size of this collection to zero.
boolean	contains(java.lang.Object x) Returns true if this collection contains x.
boolean	equals(java.lang.Object other) Return true if items in other collection are equal to items in this collection (same order, and same according to equals).
int	hashCode() Return the hashCode.
boolean	isEmpty() Tests if this collection is empty.
boolean	remove(java.lang.Object x) Removes non-null x from this collection.
java.lang.Object[]	toArray() Obtains a primitive array view of the collection.

Methods inherited from class java.lang.Object

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

Methods inherited from interface weiss.util.Collection

add, iterator, size

Constructor Detail

AbstractCollection

public AbstractCollection()

Method Detail

isEmpty

public boolean isEmpty()

Tests if this collection is empty.

Specified by:

isEmpty in interface Collection

Returns:

true if the size of this collection is zero.

clear

public void clear()

Change the size of this collection to zero.

Specified by:

clear in interface Collection

toArray

public java.lang.Object[] toArray()

Obtains a primitive array view of the collection.

Specified by:

toArray in interface Collection

contains

public boolean contains(java.lang.Object x)

Returns true if this collection contains x. If x is null, returns false. (This behavior may not always be appropriate.)

Specified by:

contains in interface Collection

Parameters:

x - the item to search for.

remove

public boolean remove(java.lang.Object x)

Removes non-null x from this collection. (This behavior may not always be appropriate.)

Specified by:

remove in interface Collection

Parameters:

x - the item to remove.

equals

public final boolean equals(java.lang.Object other)

Return true if items in other collection are equal to items in this collection (same order, and same according to equals).

Overrides:

equals in class java.lang.Object

hashCode

public final int hashCode()

Return the hashCode.

Overrides:

hashCode in class java.lang.Object