用swing.Timer做的数字小时钟源代码

package Êý×ÖʱÖÓ;

import java.applet.Applet;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;

import javax.swing.Timer;

public class SwingClock extends Applet {
private Timer clock=new Timer(1000, new ActionListener() {

@Override
public void actionPerformed(ActionEvent e) {
synchronized (SwingClock.this) {
repaint();
}

}
});
public void init(){
setBackground(Color.white);
setFont(new Font("ËÎÌå",Font.BOLD,36));
}