move an object

//Dear Deepak i want to write a code which mover the ball along x-co-ordinates 9 times on for loop execution, but the ball is not moving, please help. Thanks. :)

//MoveBall.java import javax.swing.*;

import java.awt.*;

public class MoveBall

{

public static void main(String[] args)

{

MoveBall d = new MoveBall();
new Thread().start();

}

public MoveBall()

{

JFrame frame = new JFrame("Drawing with Alpha");

frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

frame.getContentPane().add(new Ball());

frame.setSize(400,400);

frame.setVisible(true);

}

public class Ball extends JComponent implements Runnable
{
    int x=80, y=100;
    int radius = 20;
    public void paint(Graphics g)
    {
        g.setColor(Color.magenta);
        g.fillOval(x-radius, y-radius,2*radius,2*radius);
        //g.drawOval(20,20, x, y);
    }
    public void start()
    {
        Thread th = new Thread();
        th.start();
    }

    public void run()
    {
        for(int i=0; i<10; i++)

        {
            repaint();
            try
            {
                Thread.sleep(200);
                x = x+10;

            }
            catch(Exception e)
            {
            }
        }
    }
}

}

September 19, 2011 at 10:20 AM

please visit the following link:

Move ball