CyclicBarrier 人到齐再开会

package com.itjava.interview;

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

public class CyclicBarrierDemo {

    public static void main(String[] args) {

        //CyclicBarrier(int parties, Runnable barrierAction)  做加法的一直加到7
        CyclicBarrier cyclicBarrier = new CyclicBarrier(7, () -> {
            System.out.println("******召唤神龙 ！");
        });

        for (int i = 0; i <= 7; i++) {
            final int tempInt = i;
            new Thread(()->{
                System.out.println(Thread.currentThread().getName()+"\t 收集到第d"+tempInt+"龙珠");
                try {
                    cyclicBarrier.await();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                }
            },String.valueOf(i)).start();
        }

    }
}