What C# programming concepts are covered in this free beginner course?

The course covers IDEs, variables, data types, if and switch statements, loops, methods, arrays, classes, inheritance, enums, properties, interfaces, and generics.

What is the difference between for loops and while loops in C#?

A for loop is useful when the number of iterations is known, while a while loop continues as long as its condition remains true.

How do classes, inheritance, and interfaces work together in C#?

Classes define objects, inheritance lets one class reuse another class’s members, and interfaces specify capabilities that classes must implement.

Free online course C# Sharp for beginner

Duration of the online course: 3 hours and 55 minutes

4.78

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Build real C# skills fast with this free online course: master variables, loops, classes and OOP basics, and start coding confidently for new tech roles.

In this free course, learn about

C# Foundations and Development Setup
C# Control Flow and Loops
Methods and Data Collections
Object-Oriented Programming in C#
C# Abstraction and Reusable Code

About the free online course

Start coding in C# with confidence, even if you have never programmed before. This course is designed to take you from zero to practical familiarity with the language used widely in professional software development, games, automation and enterprise applications. You will learn how C# code is written, how programs are structured, and how to think like a developer when translating an idea into working instructions.

You begin with the essentials: understanding the role of an IDE, writing your first simple programs, and getting comfortable with the basic building blocks that power everything else. From there you practice working with variables and data types so your programs can store and manipulate information correctly. As you progress, you will use conditional logic to make decisions, including common patterns with if and switch statements, helping you create programs that respond to different inputs and situations.

Control flow becomes clearer as you move into repetition and automation with loops. By using for and while loops, you will understand when each approach fits best, and how small tools like common math helpers can improve results. Next, you strengthen your code by organizing it into reusable methods, which makes programs easier to read, maintain, and expand. You will also work with arrays to handle collections of values, an essential step toward building more capable applications.

The course then introduces the core ideas behind object-oriented programming in C#. You will learn how classes model real concepts, why inheritance can reduce duplication, and how enums, properties and interfaces help you write cleaner, safer code. Finally, you explore generics, a powerful feature that makes code flexible while keeping strong type checking. Throughout, the included exercises reinforce each concept so you do not just watch examples, you practice the mindset and habits that lead to real progress.

By the end, you will be able to read and write beginner-level C# comfortably, understand foundational OOP patterns, and feel prepared to continue into topics like .NET development, desktop apps, web APIs or game programming. If you want a structured, free path into a high-demand programming language, this course is a solid first step.

Course content

Video class: 1. How to program in C# - BASICS - Beginner Tutorial 07m
Exercise: What is an IDE in programming?
Video class: 2. How to program in C# - Beginner Tutorial 12m
Exercise: What is the primary focus of the video?
Video class: 3. How to program in C# - VARIABLES - Beginner Tutorial 15m
Exercise: What is a variable in C# and why is it important to use data types?

Video class: 4. How to program in C# - IF STATEMENTS - Beginner Tutorial 12m
Exercise: What concept is primarily discussed in this programming tutorial?
Video class: 5. How to program in C# - SWITCH STATEMENTS - Beginner Tutorial 14m
Exercise: What is the purpose of using a random number generator in the program?
Video class: 6. How to program in C# - FOR LOOPS - Beginner Tutorial 10m
Exercise: What is the use of the Math. Absolute statement in the provided lesson?
Video class: 7. How to program in C# - WHILE LOOPS - Beginner Tutorial 12m
Exercise: What is the difference between a for loop and a while loop in C#?

Video class: 8. How to program in C# - METHODS - Beginner Tutorial 17m
Exercise: What is a method in C#?
Video class: 9. How to program in C# - ARRAYS - Beginner Tutorial 24m
Exercise: What is an array in C#?

Video class: 10. How to program in C# - CLASSES - Beginner Tutorial 18m
Exercise: What is the main purpose of a class in C# programming?
Video class: 11. How to program in C# - INHERITANCE - Beginner Tutorial 14m
Exercise: What is inheritance in C# programming language?
Video class: 12. How to program in C# - ENUMS - Beginner Tutorial 10m
Exercise: What is an enum in C#?
Video class: 13. How to program in C# - PROPERTIES - Beginner Tutorial 18m
Exercise: What is a property in C#?

Video class: 14. How to program in C# - INTERFACES - Tutorial 27m
Exercise: What is an interface in C#?
Video class: 15. How to program in C# - GENERICS - Tutorial 19m
Exercise: What is the primary purpose of generics in programming?

Learn aboutC#

Explore free online C# courses designed for beginners and experienced developers. Learn C# programming, .NET fundamentals, object-oriented development, debugging, and application building through flexible lessons. Enroll today, build job-ready coding skills at your own pace, and earn a certificate to showcase your knowledge and advance your software development career.