package ThreadTest;

 import java.util.concurrent.ExecutorService;

 import java.util.concurrent.Executors;

 public class Demo01 {

     public static void main(String[] args) {

         MyThread myThread = new MyThread();

         ExecutorService pool = Executors.newFixedThreadPool(4);

         for(int i=0; i<40; i++) {

             pool.execute(myThread);

         }

         pool.shutdown();

     }

 }

 class MyThread implements Runnable{

     @Override

     public void run() {

         for(int i=0; i<30; i++) {

             System.out.println(Thread.currentThread().getName());

         }

     }

 }