public class Rectangle extends Shape { private double width; private double height; public Rectangle(double width, double height) { this.width = width; this.height = height; } public double getWidth() { return width; } public void setWidth(double width) { this.width = width; } public double getHeight() { return height; } public void setHeight(double height) { this.height = height; } @Override public double getArea() { return width * height; } }