Gain insights into OOP with C#. Delve into practical coding examples and exercises, exploring OOP concepts through a real-world vending machine project to understand and apply them effectively.

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Project

Object-oriented programming (OOP) has been around for decades. As the original object-oriented language, C# is a mainstay in the world of computer programming.

All the concepts of object-oriented programming that C# developers love to have in their arsenal are explained in detail along with relevant coding examples and exercises in this course.

This course is unique in its nature as it follows a project-based learning approach. Throughout the course, a real-world example of vending machine is followed to help the learners develop a firm understanding of the stated OOP concepts.

The learners will not only be able to play around with the project,  they’ll also be able to see all the concepts in action in this project.

Learn Object-Oriented Programming in C#

We have previously learned about `this` reference variable. This is the second use case 
of the `this` reference variable.

We already know that a class can have multiple constructors. There can be a parameterized constructor which initializes all the fields or there can be another constructor which initializes some of the fields and so on. In a case where the code to initialize some of the fields is already written in another constructor, why not just call that other constructor.

In C#, we can call a constructor from another constructor. When you call a constructor from another constructor, you use the `this` keyword followed by `()` to refer to the constructor.

Let's see it in action:

In this lesson, you will learn how to call a constructor from another constructor.

Introduction to Object-Oriented Programming

Classes and Objects

Data Hiding

Inheritance

Polymorphism

Abstract Classes and Interfaces

Composition, Aggregation and Association

Calling a Constructor from Another Constructor