package com.yuankai.t1.thread;  
  
import java.util.concurrent.Executors;  
import java.util.concurrent.ScheduledExecutorService;  
import java.util.concurrent.TimeUnit;  
  
public class ScheduleExecutorServiceTest {  
  
    public static void main(String[] args) {  
        ScheduleExecutorServiceTest test = new ScheduleExecutorServiceTest();  
        test.testWithFixedDelay();  
    }  
      
    private ScheduledExecutorService executor;  
      
    public ScheduleExecutorServiceTest() {  
        executor = Executors.newScheduledThreadPool(4);  
    }  
      
    public void testAtFixedRate() {  
        executor.scheduleAtFixedRate(new Runnable() {  
              
            public void run() {  
                System.out.println("====");  
                try {  
                    Thread.sleep(10000);  
                    System.out.println("执行完毕");  
                } catch (InterruptedException e) {  
                    e.printStackTrace();  
                }  
            }  
        }, 1000, 3000, TimeUnit.MILLISECONDS);  
    }  
      
    public void testWithFixedDelay() {  
        executor.scheduleWithFixedDelay(new Runnable() {  
              
            public void run() {  
                System.out.println("====");  
                try {  
                    int i = 1 / 0;  
                } catch (Exception e) {  
                    e.printStackTrace();  
                }  
                /* 
                try { 
                    Thread.sleep(10000); 
                    System.out.println("执行完毕"); 
                } catch (InterruptedException e) { 
                    e.printStackTrace(); 
                } 
                */  
            }  
        }, 1000, 3000, TimeUnit.MILLISECONDS);  
    }  
  
}