The C++ Programming Language, 4th Edition

21. Class Hierarchies

Abstraction is selective ignorance.

– Andrew Koenig

• Introduction

• Design of Class Hierarchies

Implementation Inheritance; Interface Inheritance; Alternative Implementations; Localizing Object Creation

• Multiple Inheritance

Multiple Interfaces; Multiple Implementation Classes; Ambiguity Resolution; Repeated Use of a Base Class; Virtual Base Classes; Replicated vs. Virtual Bases

• Advice

21.1. Introduction

The primary focus of this chapter is design techniques, rather than language features. The examples are taken from user-interface design, but I avoid the topic of event-driven programming as commonly used for graphical user interface (GUI) systems. A discussion of exactly how an action on the screen is transformed into ...