CyblicBarrier使用

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闲话少说直接上demo
package com.ilucky.test.jdk.util.concurrent;import java.util.Date;import java.util.concurrent.BrokenBarrierException;import java.util.concurrent.CyclicBarrier;/** * n个线程互相等待, 任何一个线程完成之前, 所有的线程都必须等待. * CyclicBarrier更像一个水闸, 线程执行就想水流, 在水闸处都会堵住, 等到水满(线程到齐)了, 才开始泄流. *  * CountDownLatch和CylicBarrier的区别: http://blog.csdn.net/kjfcpua/article/details/7300286 * @author IluckySi * */public class CyclicBarrierTest {    public static void main(String[] args) {        CyclicBarrier cb = new CyclicBarrier(3);        new CyclicBarrierTestT1(cb).start();        new CyclicBarrierTestT2(cb).start();        new CyclicBarrierTestT3(cb).start();    }}class CyclicBarrierTestT1 extends Thread {    private CyclicBarrier cb;    CyclicBarrierTestT1(CyclicBarrier cb) {        this.cb = cb;    }    public void run() {        try {            Thread.sleep(1000);            cb.await();        } catch (BrokenBarrierException e) {            e.printStackTrace();        } catch (InterruptedException e) {            e.printStackTrace();        }        System.out.println(new Date() + "name =" + Thread.currentThread().getName());    }}class CyclicBarrierTestT2 extends Thread {    private CyclicBarrier cb;    CyclicBarrierTestT2(CyclicBarrier cb) {        this.cb = cb;    }    public void run() {        try {            Thread.sleep(2000);            cb.await();        } catch (BrokenBarrierException e) {            e.printStackTrace();        } catch (InterruptedException e) {            e.printStackTrace();        }        System.out.println(new Date() + "name =" + Thread.currentThread().getName());    }}class CyclicBarrierTestT3 extends Thread {    private CyclicBarrier cb;    CyclicBarrierTestT3(CyclicBarrier cb) {        this.cb = cb;    }    public void run() {        try {            Thread.sleep(5000);            cb.await();        } catch (BrokenBarrierException e) {            e.printStackTrace();        } catch (InterruptedException e) {            e.printStackTrace();        }        System.out.println(new Date() + "name =" + Thread.currentThread().getName());    }}/**Thu May 11 10:45:54 GMT+08:00 2017name =Thread-1Thu May 11 10:45:54 GMT+08:00 2017name =Thread-0Thu May 11 10:45:54 GMT+08:00 2017name =Thread-2*/
观察运行结果
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