Lesson 6: Object-Oriented Programming (OOP) in C# – Classes, Objects, and Principles

Unlock the full potential of Object-Oriented Programming (OOP) in C# with our beginner-friendly exercises designed to transform theory into real coding skills. Dive into core OOP principles like classes, objects, inheritance, encapsulation, polymorphism, and abstraction—all explained with clarity and applied in hands-on lessons. These practical examples not only help you understand how C# works under the hood, but also how to build clean, reusable, and scalable code for real-world applications.

Perfect for those new to programming or transitioning into C#, these exercises offer a structured path to mastering OOP from the ground up. Each lesson is crafted to boost your confidence and coding fluency while reinforcing good development practices. Start today and take the first step toward becoming a proficient C# developer capable of building robust, efficient, and object-oriented applications.



Object-Oriented Programming Exercises in C#

Take your C# programming skills to the next level with the exercises focused on object-oriented programming. Learn how to write efficient and scalable code with encapsulation, inheritance, and polymorphism in C# today!



 Classes Student + Teacher
Write a C# program that include in it the class Person that you just created. Create a class "Student" and another class "Teacher", both descendant...
 Class Photo Album
Write a C# class "PhotoAlbum" with a private attribute "numberOfPages." It should also have a public method "GetNumberOfPages", which will return t...
 Class Shapes
Create a project and the corresponding classes (using several files) for this classes diagram....
 Class Vehicles
Create a project and the corresponding classes (using several files) for this classes diagram. Each class must include the attributes and methods show...
 Class Square
Complete the project named "Shapes", adding a class named "Square" to it. For each square, we will store its starting X and Y coordinates (the upper l...
 Class Orders
Create a project and the corresponding classes (using several files) for this classes diagram. Each class must include the attributes and methods s...
 Class Colored Circle
Expand the exercise (shapes + square), so that it can also store data about "Colored Circles":...