Package org.apache.commons.collections4

Interface OrderedIterator<E>

Type Parameters:
E - the type of elements returned by this iterator.
All Superinterfaces:
Iterator<E>
All Known Subinterfaces:
OrderedMapIterator<K,V>, ResettableListIterator<E>
All Known Implementing Classes:
AbstractLinkedList.LinkedListIterator, AbstractLinkedList.LinkedSubListIterator, AbstractLinkedMap.EntrySetIterator, AbstractLinkedMap.KeySetIterator, AbstractLinkedMap.LinkMapIterator, AbstractLinkedMap.ValuesIterator, AbstractOrderedMapIteratorDecorator, AbstractSortedMapDecorator.SortedMapIterator, ArrayListIterator, CursorableLinkedList.Cursor, CursorableLinkedList.SubCursor, DualTreeBidiMap.BidiOrderedMapIterator, EmptyListIterator, EmptyOrderedIterator, EmptyOrderedMapIterator, ListIteratorWrapper, LoopingListIterator, ObjectArrayListIterator, ReverseListIterator, SingletonListIterator, UnmodifiableOrderedMapIterator
public interface OrderedIterator<E> extends Iterator<E>
Defines an iterator that operates over an ordered container. Subset of ListIterator.

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

Since:
3.0

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    hasPrevious()
    Checks to see if there is a previous element that can be iterated to.
    E
    previous()
    Gets the previous element from the container.

    Methods inherited from interface java.util.Iterator

    forEachRemaining, hasNext, next, remove

  • Method Details

    • 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

      E previous()
      Gets the previous element from the container.
      Returns:
      the previous element in the iteration
      Throws:
      NoSuchElementException - if the iteration is finished