Java Data Types: Object | Study.com [PDF]

1 // Declare a simple Rectangle class 2 class Rectangle { 3 // A rectangle's state is determined by its height and width 4 private double height; 5 private double width; 6 // Construct from supplied parameters 7 public Rectangle (double h, double w) { 8 height = h; 9 width = w; 10 } 11 // Computation methods 12 public double Perimeter() { 13 return 2.0 * (height + width); 14 } 15 public double Area() { 16 return height * width; 17 } 18 }