import java.awt.*;
import java.awt.event.*;
import java.applet.*;

public class OvalApplet extends Applet
{
  public static final int IDEAL_WIDTH = 400;

  public static final int IDEAL_HEIGHT = 400;

  public void paint(Graphics g)
  {
    g.setColor(Color.BLACK);

    g.fillRect(0, 0, getWidth(), getHeight());

    g.setColor(Color.WHITE);
    for (int i = 0; i < 100; i++)
    {
      int x = (int) (Math.random() * getWidth());
      int y = (int) (Math.random() * getHeight());
      int width = (int) (Math.random() * 50) + 5;
      int height = (int) (Math.random() * 50) + 5;
      int color = (int) (Math.random() * 5) + 1;
      switch (color)
      {
      case 1:
        g.setColor(Color.BLUE);
        break;
      case 2:
        g.setColor(Color.CYAN);
        break;
      case 3:
        g.setColor(Color.YELLOW);
        break;
      case 4:
        g.setColor(Color.GREEN);
        break;
      case 5:
        g.setColor(Color.RED);
        break;
      }
      g.fillOval(x, y, width, height);
    }
  }

  public static void main(String args[])
  {
    Applet applet = new OvalApplet();
    Frame frame = new Frame();
    frame.addWindowListener(new WindowAdapter()
    {
      public void windowClosing(WindowEvent e)
      {
        System.exit(0);
      }
    });

    frame.add(applet);
    frame.setSize(IDEAL_WIDTH, IDEAL_HEIGHT);
    frame.show();
  }
}