986 

   986 

   987     /**

   987     /**

   988      * Returns an iterator over the elements in this deque in proper sequence.

   988      * Returns an iterator over the elements in this deque in proper sequence.

   989      * The elements will be returned in order from first (head) to last (tail).

   989      * The elements will be returned in order from first (head) to last (tail).

   990      * The returned {@code Iterator} is a "weakly consistent" iterator that

   990      * The returned {@code Iterator} is a "weakly consistent" iterator that

   992      * and guarantees to traverse elements as they existed upon

   993      * and guarantees to traverse elements as they existed upon

   993      * construction of the iterator, and may (but is not guaranteed to)

   994      * construction of the iterator, and may (but is not guaranteed to)

   994      * reflect any modifications subsequent to construction.

   995      * reflect any modifications subsequent to construction.

   995      *

   996      *

   996      * @return an iterator over the elements in this deque in proper sequence

   997      * @return an iterator over the elements in this deque in proper sequence

  1002     /**

  1003     /**

  1003      * Returns an iterator over the elements in this deque in reverse

  1004      * Returns an iterator over the elements in this deque in reverse

  1004      * sequential order.  The elements will be returned in order from

  1005      * sequential order.  The elements will be returned in order from

  1005      * last (tail) to first (head).

  1006      * last (tail) to first (head).

  1006      * The returned {@code Iterator} is a "weakly consistent" iterator that

  1007      * The returned {@code Iterator} is a "weakly consistent" iterator that

  1008      * and guarantees to traverse elements as they existed upon

  1010      * and guarantees to traverse elements as they existed upon

  1009      * construction of the iterator, and may (but is not guaranteed to)

  1011      * construction of the iterator, and may (but is not guaranteed to)

  1010      * reflect any modifications subsequent to construction.

  1012      * reflect any modifications subsequent to construction.

  1011      */

  1013      */

  1012     public Iterator<E> descendingIterator() {

  1014     public Iterator<E> descendingIterator() {