【多线程】并发执行指定数量的线程

package com.nicchagil.study.thread.cnblogs.No01启动固定数量的线程;

import java.util.concurrent.TimeUnit;


public class MyThread extends Thread {

    @Override
    public void run() {
        System.out.println(this.getName());
        
        /* 设置短暂的停止以看效果 */
        try {
            TimeUnit.SECONDS.sleep(3);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }

}

package com.nicchagil.study.thread.cnblogs.No01启动固定数量的线程;

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

public class Call {

    public static void main(String[] args) {
        /*
         * 并发执行指定数量的线程
         */
        ExecutorService es = Executors.newFixedThreadPool(2);
        for (int i = 0; i < 5; i++) {
            es.execute(new MyThread());
        }
        
        es.shutdown();
    }

}