org.apache.commons.collections

## Interface OrderedIterator

- All Superinterfaces:
    Iterator
  All Known Subinterfaces:
    OrderedMapIterator
  All Known Implementing Classes:
    AbstractLinkedList.LinkedListIterator, AbstractLinkedList.LinkedSubListIterator, AbstractLinkedMap.EntrySetIterator, AbstractLinkedMap.KeySetIterator, AbstractLinkedMap.LinkIterator, AbstractLinkedMap.LinkMapIterator, AbstractLinkedMap.ValuesIterator, AbstractOrderedMapIteratorDecorator, CursorableLinkedList.Cursor, CursorableLinkedList.SubCursor, DualTreeBidiMap.BidiOrderedMapIterator, EmptyOrderedIterator, EmptyOrderedMapIterator, UnmodifiableOrderedMapIterator

      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: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
  Author:
    Stephen Colebourne

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `hasPrevious()` Checks to see if there is a previous element that can be iterated to.
    `Object` | `previous()` Gets the previous element from the collection.

    - ### Methods inherited from interface java.util.Iterator

      `hasNext, next, remove`

- - ### Method Detail

    - #### hasPrevious

          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

          Object previous()

      Gets the previous element from the collection.
      Returns:
        the previous element in the iteration
      Throws:
        `NoSuchElementException` - if the iteration is finished

Copyright © 2001–2015 The Apache Software Foundation. All rights reserved.