/** 
 A class of rectangles.
*/
public class Rectangle implements Measurable
{
    private double myWidth;
    private double myHeight;
	
    public Rectangle(double width, double height)
    {
        myWidth = width;
        myHeight = height;
    }
	
    public double getPerimeter()
    {
        return 2 * (myWidth + myHeight);
    }
	
    public double getArea()
    {
        return myWidth * myHeight;
    }
}