JAVA多線程實現(xiàn)多個線程同時運行

package concurrent;

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

/**
 * Auth: zhouhongliang
 * Date：2019/8/1
 * 多個線同時運行
 * CyclicBarrier
 */
public class CyclicBarrierDemo {
    private static CyclicBarrier cyclicBarrier = new CyclicBarrier(5);

    public static void main(String[] args) {
        ExecutorService executorService = Executors.newCachedThreadPool();
        for (int i=0;i<10;i++){
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            executorService.execute(()->{
                try {
                    play();
                } catch (BrokenBarrierException e) {
                    e.printStackTrace();
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            });
        }
    }

    public static void play() throws BrokenBarrierException, InterruptedException {
        System.out.println(Thread.currentThread().getName() + " 已準(zhǔn)備");
        cyclicBarrier.await();
        System.out.println(Thread.currentThread().getName() + " 開始執(zhí)行");
    }
}

輸出結(jié)果：
pool-1-thread-1 已準(zhǔn)備
pool-1-thread-2 已準(zhǔn)備
pool-1-thread-3 已準(zhǔn)備
pool-1-thread-4 已準(zhǔn)備
pool-1-thread-5 已準(zhǔn)備
pool-1-thread-5 開始執(zhí)行
pool-1-thread-1 開始執(zhí)行
pool-1-thread-2 開始執(zhí)行
pool-1-thread-4 開始執(zhí)行
pool-1-thread-3 開始執(zhí)行
pool-1-thread-3 已準(zhǔn)備
pool-1-thread-5 已準(zhǔn)備
pool-1-thread-1 已準(zhǔn)備
pool-1-thread-4 已準(zhǔn)備
pool-1-thread-2 已準(zhǔn)備
pool-1-thread-2 開始執(zhí)行
pool-1-thread-1 開始執(zhí)行
pool-1-thread-4 開始執(zhí)行
pool-1-thread-5 開始執(zhí)行
pool-1-thread-3 開始執(zhí)行

Process finished with exit code 0