INHERITENCE AND ITS TYPES FARHAN BCAB 11329 Inheritance

INHERITENCE AND ITS TYPES FARHAN BCA(B) 11329

Inheritance • Inherit Definition - Derive quality and characteristics from parents or ancestors. Like you inherit features of your parents. • Example: "She had inherited the beauty of her mother" • Inheritance in Object Oriented Programming can be described as a process of creating new classes from existing classes.

• New classes inherit some of the properties and behavior of the existing classes. An existing class that is "parent" of a new class is called a base class. New class that inherits properties of the base class is called a derived class. • Inheritance is a technique of code reuse. It also provides possibility to extend existing classes by creating derived classes.

TYPES OF INHERITENCE • C++ supports six types of inheritance as follows: • • • Single Inheritance Multilevel Inheritance Multiple Inheritance Heirarchical Inheritance Hybrid Inheritance Multipath Inheritance

Single Inheritance • A derived class with only one base class is called single inheritance

Multilevel Inheritance • A derived class with one base class and that base class is a derived class of another is called multilevel inheritance. •

Multiple Inheritance • A derived class with multiple base class is called multiple inheritance.

Heirarchical Inheritance • Multiple derived classes with same base class is called hierarchical inheritance

Hybrid Inheritance • Combination of multiple and hierarchical inheritance is called hybrid inheritance

Multipath Inheritance • A derived class with two base classes and these two base classes have one common base class is called multipath inheritance.

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