ScheduledExecutorService 多线程类简单使用

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package com.observe;

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

public class Ob2 implements Ob {

   @Override
   public void update() {
       System.out.println("ob2 update");
   }
   private ScheduledExecutorService sch = Executors.newScheduledThreadPool(3);
   public void start1(){
       Runnable run = new Runnable() {
           public void run() {
               for (int i = 0; i <100; i++) {
                   System.out.print("run1");
               }
           }
       };
       sch.scheduleWithFixedDelay(run, 0, 1, TimeUnit.MINUTES);
   }

   public void start2(){
       Runnable run = new Runnable() {
           public void run() {
               for (int i = 0; i <100; i++) {
                   System.out.println("run2");
               }
           }
       };
       sch.scheduleWithFixedDelay(run, 0, 1, TimeUnit.MINUTES);
   }

   public void start3(){
       Runnable run = new Runnable() {
           public void run() {
               for (int i = 0; i <100; i++) {
                   System.out.println("run3");
               }
           }
       };
       sch.scheduleWithFixedDelay(run, 0, 1, TimeUnit.MINUTES);

   }


   public static void main(String[] args) {
       Ob2 ob = new Ob2();
       ob.start1();
       ob.start2();
       ob.start3();
   }

}

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