Properties and methods make Java classes interesting ... The following code is an example. public class Point { int x; int y; } For a user of this class to set the x and y value of Point, you must ...

I wrote about the NetBeans hint “Overridable Method Call in Constructor ... is required to run this example. That is shown in the next simple executable class (Main.java).

In Java, polymorphism results in code that is more concise and easier to maintain. This tutorial ... a constructor to initialize these fields and concrete methods to return their values. Check ...