import java.awt.Color;


public class DemoBox {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		
		ColourBox cb = new ColourBox(1.0, 2.0, Color.red);
		
		System.out.println(cb.area());
		
		
		Box b = new Box(3.0, 4.0);
		System.out.println(b.area());
		
		

	}

}