java阻塞队列疑问？

[likai22]

请问java阻塞队列的作用是什么？比如LinkBlockingQueue
最好能举个例子说明一下，谢谢

[zjx2388]

没用过

来学习的

[宋玮-深圳]

实现的BlockingQueue接口，描述如下：
* A {@link java.util.Queue} that additionally supports operations
* that wait for the queue to become non-empty when retrieving an
* element, and wait for space to become available in the queue when
* storing an element.
它的实现都是线程同步的。下面是API给的一个生产-消费 例子
Usage example, based on a typical producer-consumer scenario. Note that a BlockingQueue can safely be used with multiple producers and multiple consumers.

class Producer implements Runnable {
private final BlockingQueue queue;
Producer(BlockingQueue q) { queue = q; }
public void run() {
try {
while (true) { queue.put(produce()); }
} catch (InterruptedException ex) { ... handle ...}
}
Object produce() { ... }
}

class Consumer implements Runnable {
private final BlockingQueue queue;
Consumer(BlockingQueue q) { queue = q; }
public void run() {
try {
while (true) { consume(queue.take()); }
} catch (InterruptedException ex) { ... handle ...}
}
void consume(Object x) { ... }
}

class Setup {
void main() {
BlockingQueue q = new SomeQueueImplementation();
Producer p = new Producer(q);
Consumer c1 = new Consumer(q);
Consumer c2 = new Consumer(q);
new Thread(p).start();
new Thread(c1).start();
new Thread(c2).start();
}
}

[likai22]

楼上的例子堪称完美，通俗易懂，谢了

[likai22]

结贴，给分！！！！！！！！！

[sunjie310110]

2楼写的例子不错

[zerohouse]

2楼的是api demo，当然写的好了