The first half of this introduction to Java inheritance teaches you how to use the extends keyword to derive a child class from a parent class, invoke parent class constructors and methods, and ...

A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations of your own design. Java's open inheritance model can feel like an open ...

Inheritance is problematic because it breaks encapsulation. You will recall from Java 101: Classes and objects in Java that encapsulation refers to combining constructors, fields, and methods into ...