Java线程池和Lambda表达式演示

Java线程池和Lambda表达式演示

package com.zr;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
/*
    线程池和Lambda表达式演示
 */
public class DemoThreadPoolAndLambda {
    public static void main(String[] args) {

        //创建连接池对象,有2个线程
        ExecutorService threadPool = Executors.newFixedThreadPool(2);

        //未使用Lambda的代码
        /*
        threadPool.submit(new Runnable() {
            @Override
            public void run() {
                System.out.println(Thread.currentThread().getName()+"线程");
            }
        });
        */

        //用submit方法开启线程池，并使用Lambda表达式简化代码
        threadPool.submit(()->System.out.println(Thread.currentThread().getName()+"线程一"));
        threadPool.submit(()-> System.out.println(Thread.currentThread().getName()+"线程二"));

        //关闭线程池
        threadPool.shutdown();
    }
}