Object-Oriented Programming (OOP) is one of the most popular methodologies in software development. It offers a powerful model for creating computer programs. It speeds the program development process, improves maintenance, and enhances reusability of programs.
This part introduces object-oriented methodology and discusses the concepts of objects, classes, messages, and methods. It provides an overview of the phases involved in object-oriented analysis and design. This chapter also explains how to define classes in C#