# | Line 263 | Line 263 | public class DelayQueue<E extends Delaye | |
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263 | * if one exists. | |
264 | * | |
265 | * @return the head of this queue, or {@code null} if this | |
266 | < | * queue is empty. |
266 | > | * queue is empty |
267 | */ | |
268 | public E peek() { | |
269 | final ReentrantLock lock = this.lock; |
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