Page 175 - DCAP404 _Object Oriented Programming

Object-oriented Programming Sahil Rampal, Lovely Professional University

Notes Unit 9: Inheritance

CONTENTS
Objectives
Introduction
9.1 Defining Derived Class

9.2 Forms of Inheritance
9.2.1 Single Inheritance
9.2.2 Multilevel Inheritance
9.2.3 Multiple Inheritance
9.2.4 Hierarchical Inheritance

9.2.5 Hybrid Inheritance
9.3 Ambiguity in Multiple and Multipath Inheritance
9.3.1 Ambiguity in Multiple Inheritance
9.3.2 Ambiguity in Multipath Inheritance
9.4 Virtual Base Classes
9.5 Overriding Member Function

9.6 Constructors under Inheritance
9.7 Destructors under Inheritance
9.8 Making a Private Member Inheritable
9.9 Summary
9.10 Keywords

9.11 Review Questions
9.12 Further Readings

Objectives

After studying this unit, you will be able to:
 Recognize the inheritance

 Describe the different types of inheritance
 Explain the ambiguity in multiple and multipath inheritance
 Discuss the virtual base class

 Identify the overriding member function
 Demonstrate the execution of constructor and destructor with inheritance
Introduction

Reusability of code is a characteristic feature of OOP. C++ strongly supports the concept of
reusability. The C++ classes can be used again in several ways. Once a class has been written and

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