PR32

package pkgApplet;
 
import java.applet.Applet;
import java.awt.Graphics;
 
/**
 *
 * @author smit
 */
public class PR32 extends Applet implements Runnable {
 
    Thread t;
    int x, y;
 
    public void init() {
        t = new Thread(this);
        t.start();
    }
 
    public void paint(Graphics g){
       x=(int) (Math.random()*1000);
       y=(int)(Math.random()*1000);
       g.fillOval(x, y, 50, 50);
    }
 
    public void run() {
        try {
            while (true) {
                repaint();
                Thread.sleep(500);
            }
        } catch (InterruptedException x) {
            System.out.println(x);
        }
    }
}