Need for virtual destructor. When you delete a derived class object by using a base class pointer, the destructor call will be an undefined behavior. For example: In the below code, we are creating an object of derived class and assigning to base class pointer. Now …
In this tutorial we shall see what is object slicing in C++ Few points related to object slicing: Object Slicing occurs when a derived class object is assigned to the base class object. Then, an instance of derived class object is copied into the base class …
Poly means many, morphism means forms. Polymorphism in C++means one function behaving differently under different situations. There are 2 types of polymorphism, namely: Compile time polymorphism Function overloading Operator overloading Function overriding Run time polymorphism Virtual functions Explicit and Implicit casting 1. Compile time polymorphism: …
Below are different types of inheritance: Single Inheritance Multiple Inheritance Multilevel Inheritance Hierarchical Inheritance Hybrid Inheritance Multipath Inheritance / Diamond Problem Accessibility in Inheritance 1. Single Inheritance In this type of inheritance, there will be only 1 base class, and one derived class. It can …
In. this tutorial we shall learn about below topics: Introduction Deriving by different access specifiers: C++ Base class Pointer and Derived class pointer. Virtual Base Class Constructor and Destructor calls in Inheritance Constructor and Destructor calls in Multiple Inheritance Pointers and Inheritance 1. Introduction …