Inheritance in C++ (Programming Fundamentals)
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Inheritance in C++ prgramming language Inheritance is a mechanism where a new class (derived class) inherits the properties and behavior of an existing class (base class). The derived class inherits all the members (variables and functions) of the base class and can also add new members or override the ones inherited from the base class. Types of Inheritance: - Single Inheritance - Multiple Inheritance - Multilevel Inheritance - Hierarchical Inheritance - Hybrid Inheritance Access Specifiers: - Public - Private - Protected
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Inheritance in C++ (Programming Fundamentals)
- 2. INHERITANCE Inheritance is one of the fundamental features of object-oriented programming (OOP). It allows you to create new classes that are based on existing classes, inheriting their properties TYPES OF INHERITANCE • Single Inheritance • Multilevel Inheritance • Hybrid Inheritance • Multiple Inheritance • Hierarchical Inheritance
- 3. Base Class (Parent Class) The class whose properties and behaviors are inherited by other classes is called the base class or parent class. It defines the common attributes and functions that can be shared by its derived classes. Derived Class (Child Class) The class that inherits from a base class is called the derived class or child class. It can add its own attributes and functions or override the ones inherited from the base class.
- 4. Public inheritance (public access specifier) All public members of the base class remain public in the derived class, and protected members of the base class remain protected in the derived class. Protected inheritance (protected access specifier) All public and protected members of the base class become protected in the derived class. Private inheritance (private access specifier) All public and protected members of the base class become private in the derived class.
- 5. Public Inheritance In this type of inheritance, the public members of the base class remain public in the derived class, and the protected members of the base class remain protected in the derived class. Public members of the base class can be accessed as public members in the derived class. Protected Inheritance In protected inheritance, the public members of the base class become protected members in the derived class. The protected members of the base class remain protected in the derived class. Public members of the base class can be accessed as protected members in the derived class. Private Inheritance In private inheritance, the public members of the base class become private members in the derived class. The protected members of the base class remain protected in the derived class. Public members of the base class can be accessed as private members in the derived class.
- 6. Single inheritance is a fundamental concept that allows a derived class (also known as a child class) to inherit properties and behaviors from a single base class (or parent class). It's a way to establish a one-to-one relationship between classes, creating a hierarchical structure. Single Inheritance
- 7. Multiple Inheritance is a feature of C++ where a class can inherit from more than one class. i.e. one subclass is inherited from more than one base class. Multiple Inheritance
- 8. In this type of inheritance, a derived class is created from another derived class. Multi-level Inheritance
- 9. In this type of inheritance, more than one subclass is inherited from a single base class. i.e. more than one derived class is created from a single base class. Hierarchical Inheritance
- 10. Hybrid Inheritance is implemented by combining more than one type of inheritance. For example: Combining Hierarchical inheritance and Multiple Inheritance. Hybrid (Virtual) Inheritance
- 11. Inheritance Ambiguity in C++ when one class is derived from two or more base classes then there may be a possibility that the base classes have functions with the same name, and the derived class may not have functions with that name as those of its base classes. Solution to Ambiguity ObjectName.ClassName::FunctionName();
- 12. AGGRIGATION IN C++ Aggregation is a type of association that represents a "has-a" relationship between objects. It is a way to model relationships between classes where one class contains or is composed of another class as part of its internal structure. Aggregation implies a weaker relationship than composition COMPOSITION IN C++ In C++, composition is achieved by including instances of other classes within a class. This relationship between classes represents a "has-a" or "whole-part" relationship
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