C++20 for Programmers, 3rd Edition

Chapter 10. OOP: Inheritance and Runtime Polymorphism

Objectives

In this chapter, you’ll:

■ Use traditional and modern inheritance idioms, and understand base classes and derived classes.

■ Understand the order in which C++ calls constructors and destructors in inheritance hierarchies.

■ See how runtime polymorphism can make programming more convenient and systems more easily extensible.

■ Use override to tell the compiler that a derived-class function overrides a base-class virtual function.

■ Use final at the end of a function’s prototype to indicate that function may not be overridden.

■ Use final after a class’s name in its definition to ...