Inheritance and derivation of c++ classes, inheritance and access rights, subclass constructors, subtypes, ambiguity issues, multiple inheritance, virtual base classes, and common mistakes

 

Table of contents

inheritance and derivation

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Representation of Inheritance and Derivation in UML

Code

Distribution of Subclass Objects

protected protected permissions

Various ways of derivation and inheritance

When to Use Derivation and Inheritance

Parent class and child class access rights

subclass constructor

The Last Supper of the Maison: Subclass Destructors

subtype relationship

The role of subtypes

Application of subtype

multiple inheritance

Why use multiple inheritance

What is multiple inheritance

Usage of Multiple Inheritance

Multiple Inherited Constructors

Drawbacks of Multiple Inheritance - Ambiguity (The Diamond Problem of Multiple Inheritance)

Solution 1

Solution 2

virtual base class

Major defects of multiple inheritance in "diamond inheritance"

Solution 1: Qualify the class name

Solution 2: Use virtual base classes and virtual inheritance

common mistakes