loadingball

package temp;



import java.awt.*;
import javax.swing.*;

class MyBall extends Thread
{
   int x;
   int y;
   int sleeptime;
   int str_index;
   MyBallWindow mBw;
   Color c;
   String str, substr;

public MyBall(int xx, int yy, int sleepTime, MyBallWindow ssbb, Color cc)
    {
      str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
      str_index = 0;
      substr = "A";
      x = xx;
      y = yy;
      sleeptime = sleepTime;
      mBw = ssbb;
      c = cc;
     }

     public void run()
     {
      while (true)
      {
         mBw.repaint();;
         substr = str.substring(str_index, str_index+1);
         str_index++;
         if (str_index > 61) str_index = 0;
         y = y + 10;
         if (y > 550)
        	 y = 0;
         try
         {
            Thread.sleep(sleeptime);
         }
         catch (Exception e)
         {
         }
       }
     }

     public void draw(Graphics g)
     {
      g.setColor(Color.white);
      g.fillOval(x, y-10, 50, 50);
      g.setFont(new Font("Rome", Font.BOLD, 50));
      g.drawString(substr, x, y+30);

      g.setColor(c);
      g.fillOval(x, y, 50, 50);

      g.setColor(Color.black);
      g.setFont(new Font("Monospaced", Font.BOLD, 50));
      g.drawString(substr, x+10, y+40);
     }
}


class MyBallWindow extends JFrame
{
   MyBall myBall[];

   public MyBallWindow()
   {
       myBall = new MyBall[2];

       myBall[0] = new MyBall(100, 0, 300, this, Color.red);
       myBall[1] = new MyBall(200, 0, 400, this, Color.blue);


       for (int i = 0; i < 2; i++)
       {
        myBall[i].start();
       }
       setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
       setSize(800, 800);
   setVisible(true);
   }

   public void paint(Graphics g)
   {
      for (int i = 0; i < 2; i++)
      {
       myBall[i].draw(g);
      }
   }
}

public class ThreadingBall
{
public static void main(String[] args)
{
new MyBallWindow();
}
}