• Applet is a java class that runs inside the internet browser.
• It uses Thread along with its methods for animation.
• Applet class implements the Runnable interface for animation program.

import java.applet.Applet;
import java.awt.Color;
import java.awt.Graphics;
import java.util.Random;

//<applet code="rect1" width="300" height="160"></applet>
public class rect1 extends Applet implements Runnable {
Thread t1;

public void init() {
t1 = new Thread(this);
}

public void start() {
t1.start();
}

public void run() {
Thread t2 = Thread.currentThread();
while (t1 == t2) {
repaint();
}
}

public void paint(Graphics g) {
Color c[] = { Color.red, Color.yellow, Color.BLUE, Color.pink,
Color.MAGENTA };

for (int x = 0; x <= 4; x++) {
try {
Thread.sleep(1000);
g.setColor(c[x]);
g.fillRect(10, 10, 200, 200);
} catch (Exception e) {
e.printStackTrace();
}
}
}

public void stop() {
t1 = null;
}
}

Related Tags for Animation in Java Applet: