這個程式就是執行不料。真著急。。大家幫幫我。。

import java.util.*;
import java.text.*;
import java.awt.Toolkit;
class c
{
 Toolkit toolkit;
 Timer timer;

	public void  annoyingBeep(){

		toolkit=Toolkit.getDefaultToolkit();
		timer=new Timer();
		timer.schedule(new RemindTask(),0,1*1000);

	}



class  RemindTask extends TimerTask{

	int numWarningBeeps=3;

		public void run(){

			if(numWarningBeeps>0){

				toolkit.beep();
				System.out.println("Beep!");
				numWarningBeeps--;

			}else{

				toolkit.beep();
				System.out.println("Time's up!");
				System.exit(0);

			}
		}

	}

public static void main(String args[]){



annoyingBeep();



}
}