java线程池ThreadPool

 package com.java.concurrent;

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

 public class TestThreadPool {
     public static void main(String[] args) {
         //1.创建线程池
         ExecutorService pool =  Executors.newFixedThreadPool();
         ThreadPoolDemo d = new ThreadPoolDemo();
         for(int i=;i<;i++){
             pool.submit(d);
             }
         pool.shutdown();
     }

     }

 class ThreadPoolDemo implements Runnable{
     int i=;
     int j=;
     public void run() {
         j++;
         System.out.println("当前输出+"+j+"次"+i--);
     }

 }

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