HomeCoursesMastering C# for .NET Developers

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Mastering C# for .NET Developers

Learn modern C# and .NET with a roadmap tailored to your level. Progress from core programming and OOP to exception handling, LINQ, and concurrency to build efficient cross-platform applications.

Overview

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C# and .NET power a wide range of modern software, from enterprise systems to desktop and cloud applications. As a cross-platform, open-source framework, .NET enables developers to design, build, and deploy applications across Windows, Linux, and macOS. This course adapts to your experience level and interests, allowing you to focus on what matters most to you. You can build a foundation in C# syntax and object-oriented programming, strengthen your skills with modern features like pattern matching and records, or explore advanced topics like LINQ, asynchronous programming, and concurrency for high-performance applications. By the end of this course, you’ll be able to write robust, efficient C# applications and gain the confidence to build scalable, testable software using .NET across platforms.

C# and .NET power a wide range of modern software, from enterprise systems to desktop and cloud applications. As a cross-platfor...Show More

WHAT YOU'LL LEARN

Develop applications using modern C# and the .NET framework.

Understand and apply object-oriented programming principles.

Utilize language features like records, pattern matching, and robust text processing.

Explore advanced C# features such as LINQ, async/await, and concurrency.

Build scalable, maintainable, and testable applications across multiple platforms.

Implement unit testing to ensure code reliability and correctness.

Process and manage data using modern file I/O and JSON handling techniques.

Manage complex date, time, and time zone scenarios using modern .NET structures.

Develop applications using modern C# and the .NET framework.

Learning Roadmap

206 Lessons2 Projects16 Quizzes2 Assessments

Getting Started

Get familiar with the .NET platform, its architecture, and writing your first C# program.

Is C# and .NET Still Relevant?

Course Overview

.NET Overview

Our First C# Program

Quiz Yourself: .NET Basics

C# Programming Basics

Unpack the core of C# basics, including program structure, variables, type casting, loops, and methods.

Structure of a C# Program

Variables and Data Types

Quiz Yourself: C# Basics

Exercise: Retail Discount Calculator

Solution: Retail Discount Calculator

Exercise: Secure ATM PIN Validation

Solution: Secure ATM PIN Validation

Exercise: Physics Projectile Simulation

Solution: Physics Projectile Simulation

Classes and OOP

20 Lessons

Master the steps to effectively utilize classes, structs, and object-oriented programming features in C#.

Classes and OOP II

19 Lessons

Apply your skills to understand inheritance, type casting, virtual methods, abstract classes, and generics in C#.

Exception Handling

8 Lessons

Take a closer look at managing and creating exceptions in C# using try, catch, and finally blocks.

RPG Combat Engine

Project

Assessment 1: Foundations of C# and OOP

Assessment

Delegates and Events

14 Lessons

See how C# handles delegates, events, anonymous methods, lambdas, and built-in delegate types.

Interfaces

12 Lessons

Master the steps to understanding and utilizing interfaces for structured, flexible C# code.

Additional Features

14 Lessons

Step through additional C# features like extension methods, partial classes, anonymous types, and local functions.

Collections

15 Lessons

Discover the logic behind dynamic and generic collections, including ArrayList, List<T>, and data structures like Stacks, Queues, Dictionaries, and ObservableCollection<T>.

10.

LINQ

9 Lessons

Break apart LINQ basics, common operations, deferred execution, and impactful collection manipulation methods.

11.

Working with Strings

11 Lessons

Apply your skills to handling strings, using StringBuilder efficiently, and mastering regular expressions.

12.

Working with Dates and Time

9 Lessons

Dig into C#'s DateTime struct for date manipulation and flexible formatting techniques.

13.

Multithreading and Asynchronous Programming

20 Lessons

Tackle multithreading and asynchronous programming, enhancing application responsiveness and efficiency.

14.

Reflection

9 Lessons

Build on understanding .NET reflection, exploring type information, application, and attribute data.

15.

Dynamic Binding

7 Lessons

Try out dynamic binding using Dynamic Language Runtime and ExpandoObject class in C#.

16.

Garbage Collection and Unmanaged Resources

14 Lessons

Grasp proper memory management, resource cleanup, and file handling in C# effectively.

Cash Flow Manager

Project

Assessment 2: Advanced C# and .NET Internals

Assessment

17.

Next Steps

Explore further application development with ASP.NET, WPF, Xamarin, and Unity in .NET.

Where To Go From Here

18.

Appendix

2 Lessons

Grasp the fundamentals of setting up Visual Studio and creating reusable class libraries.

Certificate of Completion

Showcase your accomplishment by sharing your certificate of completion.

Course Author:

Aidil Umarov

Developed by MAANG Engineers

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Hands-on Learning AI-Powered Learning

See how Educative uses AI to make your learning more immersive than ever before.

Personalized Interview Prep

Skip the LeetCode grind with a custom roadmap that adapts to your goals. Hands-on practice for Coding Interviews, System Design, and more.

Mock Interviews

Test your skills in a simulated interview setting. Receive personalized feedback based on your performance. Available for Coding Interviews, System Design, and more.

AI Prompt

Build prompt engineering skills. Practice implementing AI-informed solutions.

Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

Explain

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AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

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