A class is basically a logical entity and mainly a collection of objects.
A class is a structured data type in a C++, which is a collection of variables and functions. and the variable and function are class members of the class.
Define Object :
The fundamental idea behind object oriented approach is to combine both data and function
into a single unit and these units are called objects.
An Object can be defined as an entity that has a state and behavior, any type of things exists physically in the world is called an object. It can represent as , Computer, books, animals etc.
Member Function of class :when the function inside the class is called Member function.
Non-Member Function of class :Those type of function was not define or declared inside a class are called non-member function.
