// Rectangle.java
//  a class that implements Measurable
// See also:
//  Measurable.java
//  Circle.java

public class Rectangle implements Measurable {

    private double length, width;

    public Rectangle(double l, double w) {
        length = l;
        width = w;
    }

    public double getLength() {
        return length;
    }

    public double getWidth() {
        return width;
    }

    @Override
    public double getArea() {
        return length * width;
    }

    @Override
    public double getPerimeter () {
        return 2 * (length + width);
    }

}