CyclicBarrier的使用,多线程'同时'启动

package com.noway.test.concurrent.cyclicBarrier;

import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;

/**
 * 多线程中如何'同时'启动多个线程
 * @author Noway
 *
 */
public class TestCyclicBarrier {
    public static void main(String[] args) {
        CyclicBarrier cb = new CyclicBarrier(3);
        new Thread(new cbThread(cb,"张三")).start();
        new Thread(new cbThread(cb,"李四")).start();
        new Thread(new cbThread(cb,"王五")).start();
        new Thread(new cbThread(cb,"马六")).start();
        new Thread(new cbThread(cb,"小七")).start();
    }
}

class cbThread implements Runnable{
    private CyclicBarrier cb;
    private String name;
    public cbThread(CyclicBarrier cb, String name) {
        super();
        this.cb = cb;
        this.name = name;
    }
       @Override
    public void run() {
        System.out.println(this.name+"准备好了...");
        try {
            this.cb.await();//形成一个屏障
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (BrokenBarrierException e) {
            e.printStackTrace();
        }
        System.out.println(this.name+"出发了...");
    }
    
}