NULL and nullptr in C++
In C++, both NULL and nullptr are used to represent null pointers. However, they have significant differences in terms of type safety, functionality, and usage. Let’s break this down. 1. …
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override keyword in cpp
In C++, the override keyword is used to indicate that a function in a derived class is intended to override a virtual function declared in a base class. This keyword …
virtual keyword in cpp
In C++, the virtual keyword is used in the context of object-oriented programming to specify that a base class function can be overridden by a function with the same name …
What is polymorphism give an example
Polymorphism is a fundamental concept in object-oriented programming that allows objects of different classes to be treated as objects of a common base class. It enables you to write more …