タイマーの表示

秒:ミリ秒を表示するタイマー。一時停止などはついていません。

import java.util.Date;
import javax.swing.*;

public class TimerSample extends JApplet implements Runnable {
 private long startTime;
 private JLabel lblTimer = new JLabel( "", JLabel.CENTER );

 public void init() {
  startTime = new Date().getTime();
  this.add( lblTimer );
  Thread t = new Thread( this );
  t.start();
 }
 public void run() {
  while( true ) {
   try {
    long now = new Date().getTime();
    long passedTime = now - startTime;
    int passedMilliSec = (int)( passedTime % 1000 ),
     passedSec = (int)( passedTime / 1000 );
    lblTimer.setText( new Integer( passedSec ).toString() + ":"
      + new Integer( passedMilliSec ).toString() );
    Thread.sleep( 100 );
   } catch(Exception e) {}
  }
 }
}