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package thread;

import java.util.ArrayList;

import java.util.List;

/**

* 测试wait notify

* Created by yahier on 2018/2/23.

*/

public class BlockQueue {

private List list = new ArrayList<Object>();

public synchronized Object pop() throws InterruptedException {

while (list.size() == 0)

this.wait();

if (list.size() > 0)

return list.remove(0);

else

return null;

}

public synchronized void push(Object obj) {

list.add(obj);

this.notify();

System.out.println("push后notify");

}

public static void main(String[] args) {

BlockQueue blockQueue = new BlockQueue();

blockQueue.start();

try {

Object obj = blockQueue.pop();

System.out.println(obj);

} catch (InterruptedException e) {

e.printStackTrace();

System.out.println("e:" + e.getLocalizedMessage());

}

}

private void start() {

try {

Thread.sleep(6000);

} catch (InterruptedException e) {

e.printStackTrace();

}

push("yahier");

}

}