javax.swing.Timer

 1 import java.awt.Toolkit;
 2 import java.awt.event.ActionEvent;
 3 import java.awt.event.ActionListener;
 4 import java.util.Date;
 5 
 6 import javax.swing.Timer;
 7 
 8 /**
 9  *@date 2014-4-16
10  */
11 public class SwingTimer {
12 
13     public static void main(String[] args) {
14 
15         Timer timer=new Timer(2000,new ActionListener(){
16 
17             @Override
18             public void actionPerformed(ActionEvent e) {
19 
20                 System.out.println("the timw is:"+new Date());
21                 Toolkit.getDefaultToolkit().beep();
22             }
23             
24         });
25         
26         while(true){
27             timer.start();
28         }
29     }
30 
31 }