import java.applet.*;
import
java.awt.*;
import
java.util.*;
import
java.text.*;
import
java.io.*;
import
java.applet.Applet;
import
java.awt.Graphics;
public
class DigitalClock extends Applet implements Runnable
{
Thread
t = null;
int
hours=0, minutes=0, seconds=0;
String
timeString = "";
public
void init()
{
setBackground(
Color.green);
}
public
void start()
{
t
= new Thread( this );
t.start();
}
public
void run()
{
try
{
while
(true)
{
Calendar
cal = Calendar.getInstance();
hours
= cal.get( Calendar.HOUR_OF_DAY );
if
( hours > 12 ) hours -= 12;
seconds
= cal.get( Calendar.SECOND );
SimpleDateFormat
formatter = new SimpleDateFormat("hh:mm:ss");
Date
date = cal.getTime();
timeString
= formatter.format( date );
repaint();
t.sleep(
1000 ); // interval given in
milliseconds
}
}
catch
(Exception e) { }
}
public
void paint( Graphics g )
{
g.setColor(
Color.blue );
g.drawString(
timeString, 50, 50 );
}
}
DigitalClock.html
<html>
<body>
<applet
code="DigitalClock.class" width="300"
height="300"></applet>
</body>
</html>
/**javac
DigitalClock.java
appletviewer
DigitalClock.html */
