java阻塞队列的两种操作

public void put(E e) throws InterruptedException {

    checkNotNull(e);

    final ReentrantLock lock = this.lock;

    lock.lockInterruptibly();

    try {

        while (count == items.length)

            notFull.await();

        enqueue(e);

    } finally {

        lock.unlock();

    }

}