1: //Rectangle.java 3: /** 4: * A class of rectangles. 5: */ 6: public class Rectangle implements Measurable 7: { 8: private double myWidth; 9: private double myHeight; 10: public Rectangle(double width, double height) 11: { 12: myWidth = width; 13: myHeight = height; 14: } 15: public double getPerimeter() 16: { 17: return 2 * (myWidth + myHeight); 18: } 19: public double getArea() 20: { 21: return myWidth * myHeight; 22: } 23: }