| # | Line 589 | Line 589 | public interface BlockingDeque<E> extend | |
|---|---|---|
| 589 | * @throws NullPointerException if the specified element is null | |
| 590 | * (<a href="../Collection.html#optional-restrictions">optional</a>) | |
| 591 | */ | |
| 592 | < | public boolean contains(Object o); |
| 592 | > | boolean contains(Object o); |
| 593 | ||
| 594 | /** | |
| 595 | * Returns the number of elements in this deque. | |
| 596 | * | |
| 597 | * @return the number of elements in this deque | |
| 598 | */ | |
| 599 | < | public int size(); |
| 599 | > | int size(); |
| 600 | ||
| 601 | /** | |
| 602 | * Returns an iterator over the elements in this deque in proper sequence. | |
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| + | Added lines |
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| > | Changed lines |