. Object Oriented Programming (OOP) is a programming model where programs are organized around objects and data rather than action and logic. OOP allows decomposition of a problem into a number of entities called objects and then builds data and functions around these objects. A class is the core of any modern Object Oriented Programming language such as C#. In OOP languages it is mandatory to create a class for representing data. A class is a blueprint of an object that contains variables for storing data and functions to perform operations on the data. A class will not occupy any memory space and hence it is only a logical representation of data. To create a class, you simply use the keyword "class" followed by th