timer定时器

import java.util.Timer;
import java.util.TimerTask;


public class test extends TimerTask
{ 
public void run()
     {
         //   处理定时任务   
     System.out.println("Hello!");
    
     }

public  static void main(String[] aregs)
{
Timer timer = new Timer();
test t =new test();
timer.schedule(t, 0,1000*5);
}
}