# | Line 16 | Line 16 | import java.util.*; | |
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16 | * @author Doug Lea | |
17 | **/ | |
18 | public class PriorityBlockingQueue<E> extends AbstractQueue<E> | |
19 | < | implements BlockingQueue<E>, Sorted, java.io.Serializable { |
19 | > | implements BlockingQueue<E>, java.io.Serializable { |
20 | ||
21 | private final PriorityQueue<E> q; | |
22 | private final ReentrantLock lock = new ReentrantLock(true); |
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