黑马JAVA P176 Executors的工具类构建线程池对象

黑马JAVA P176 Executors的工具类构建线程池对象

 

 

package com.itheima.d8_threadpool;

import java.util.concurrent.*;


public class ThreadPoolDemo3 {
    public static void main(String[] args) throws Exception {
        //1.创建固定线程数据的线程池
        ExecutorService pool = Executors.newFixedThreadPool(3);

        pool.execute(new MyRunnable());
        pool.execute(new MyRunnable());
        pool.execute(new MyRunnable());
        pool.execute(new MyRunnable()); //已经没有多余线程了
    }
}

package com.itheima.d8_threadpool;

public class MyRunnable implements Runnable{
    @Override
    public void run() {
        for (int i = 0; i < 5; i++) {
            System.out.println(Thread.currentThread().getName() + "输出了: HelloWorld ==>" + i);
        }
        try {
            System.out.println(Thread.currentThread().getName() + "本任务与线程绑定了，线程进入了休眠了~~~");
            Thread.sleep(10000000);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}