import java.applet.*; import java.awt.*; import java.util.*; public class ClockApplet extends Applet implements Runnable{ Thread t,t1; public void start(){ t = new Thread(this); t.start(); } public void run(){ t1 = Thread.currentThread(); while(t1 == t){ repaint(); try{ t1.sleep(1000); }catch(InterruptedException e){} } } public void paint(Graphics g){ Calendar cal = new GregorianCalendar(); String hour = String.valueOf(cal.get(Calendar.HOUR)); String minute = String.valueOf(cal.get(Calendar.MINUTE)); String second = String.valueOf(cal.get(Calendar.SECOND)); g.drawString(hour + ":" + minute + ":" + second, 20, 30); } }