November 2019
Beginner
228 pages
2h 45m
English
We have learned some fundamental concepts about classes and objects in Java. Now let’s look at several examples from the class design perspective.
Practical Case 1
The following is a design of a Rectangle class
. It wants to compute a rectangle’s area, perimeter, and diagonal, given its width and height values as input parameters.
public class Rectangle {
private int width;
private int height;
private int area;
private double diagonal;
private int perimeter;
public Rectangle (int width, int height) {
this.width = width;
this.height = height;
this.area ...
