// An applet with classes that draw shapes.

import java.awt.*;
import java.applet.Applet;

public class Circles extends Applet
{
     private Circle circle;
 
     public void paint (Graphics g)
     {
          for (int count = 0; count < 10; count ++)
          {
               circle = new Circle (Color.red, 100, 20*count, 30);
               circle.displayCircle (g);
          }
     } // method paint
} // class Circles
 
// A class that can display a rectangle.
class Circle
{
     private Color circleColor;
     private int x, y, diameter;
 
     Circle (Color color, int xValue, int yValue, int d)
     {
          circleColor = color;
          x = xValue;
          y = yValue;
          diameter = d;
     } // constructor
 
     public void displayCircle (Graphics g)
     {
          g.setColor (circleColor);
          g.fillOval (x, y, diameter, diameter);
     } // method displayCircle
} // class Circle