org.apache.commons.collections

Interface OrderedIterator

public interface OrderedIterator extends Iterator

Defines an iterator that operates over an ordered collection.

This iterator allows both forward and reverse iteration through the collection.

Since: Commons Collections 3.0

Version: $Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $

Author: Stephen Colebourne

Method Summary
booleanhasPrevious()
Checks to see if there is a previous element that can be iterated to.
Objectprevious()
Gets the previous element from the collection.

Method Detail

hasPrevious

public boolean hasPrevious()
Checks to see if there is a previous element that can be iterated to.

Returns: true if the iterator has a previous element

previous

public Object previous()
Gets the previous element from the collection.

Returns: the previous element in the iteration

Throws: java.util.NoSuchElementException if the iteration is finished

Copyright © 2001-2008 Apache Software Foundation. All Rights Reserved.