Chapter 22. Implementing Class Inheritance

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  • Understand base and derived classes

  • See how to create class hierarchies

  • Discover how to override base class functions

  • Learn about friend classes and functions

  • See how to create binary class libraries

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Understanding Base and Derived Classes

The object-oriented programming paradigm is based on the concept of object hierarchies that are created through inheritance. In this system, a simple base class acts as a foundation on which you can build more complex classes. The resulting classes can then act as the foundation for even more complex classes, and so on. A class that’s built from an existing class, to extend its capabilities in some way, is called a derived class.

Inheritance

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