Java: A Beginner's Guide, Eighth Edition, 8th Edition

Chapter 7

Inheritance

Key Skills & Concepts

●   Understand inheritance basics

●   Call superclass constructors

●   Use super to access superclass members

●   Create a multilevel class hierarchy

●   Know when constructors are called

●   Understand superclass references to subclass objects

●   Override methods

●   Use overridden methods to achieve dynamic method dispatch

●   Use abstract classes

●   Use final

●   Know the Object class

Inheritance is one of the three foundation principles of object-oriented programming because it allows the creation of hierarchical classifications. Using inheritance, you can create a general class that defines ...