ExecutorService 用例

Posted 2020-10-15 心想事成

 

 

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1. import java.util.concurrent.ExecutorService;   
2. import java.util.concurrent.Executors;   
3.   
4. public class TestCachedThreadPool{   
5.     public static void main(String[] args){   
6.         ExecutorService executorService = Executors.newCachedThreadPool();   
7. //      ExecutorService executorService = Executors.newFixedThreadPool(5);  
8. //      ExecutorService executorService = Executors.newSingleThreadExecutor();  
9.         for (int i = 0; i < 5; i++){   
10.             executorService.execute(new TestRunnable());   
11.             System.out.println("************* a" + i + " *************");   
12.         }   
13.         executorService.shutdown();   
14.     }   
15. }   
16.   
17. class TestRunnable implements Runnable{   
18.     public void run(){   
19.         System.out.println(Thread.currentThread().getName() + "线程被调用了。");   
20.     }   
21. }