package com.basic;

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

/**
 * @program JavaBooks
 * @description: 线程池
 * @author: mf
 * @create: 2020/01/01 14:09
 */

public class T22 {

    public static void main(String[] args) throws InterruptedException {
        //第一个，固定线程池
        ExecutorService service = Executors.newFixedThreadPool(5);

        for (int i = 0; i < 6; i++) {
            service.execute(() -> {
                try {
                    TimeUnit.MILLISECONDS.sleep(500);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
                System.out.println(Thread.currentThread().getName());
            });
        }

        System.out.println(service);
        service.shutdown();
        System.out.println(service.isTerminated());
        System.out.println(service.isShutdown());
        System.out.println(service);

        TimeUnit.SECONDS.sleep(5);

        System.out.println(service.isTerminated());
        System.out.println(service.isShutdown());
        System.out.println(service);
    }
}