/**
   This program demonstrates the Rectangle class's
   setLength, setWidth, getLength, getWidth, and
   getArea methods.
*/

public class RectangleDemo
{
   public static void main(String[] args)
   {
      // Create a Rectangle object.
      Rectangle box = new Rectangle();

      // Set length to 10.0 and width to 20.0.
      box.setLength(10.0);
      box.setWidth(20.0);

      // Display the length.
      System.out.println("The box's length is " +
                         box.getLength());

      // Display the width.
      System.out.println("The box's width is " +
                         box.getWidth());

      // Display the area.
      System.out.println("The box's area is " +
                         box.getArea());
   }
}