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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.
4.6
208 Lessons
2 Projects
16h 4min
Updated this week
Join 2.9 million developers at
Join 2.9 million developers at
LEARNING OBJECTIVES
- 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.
Learning Roadmap
1.
Getting Started
Getting Started
Get familiar with the .NET platform, its architecture, and writing your first C# program.
2.
C# Programming Basics
C# Programming Basics
Unpack the core of C# basics, including program structure, variables, type casting, loops, and methods.
Structure of a C# ProgramVariables and Data TypesType CastingConsole I/OConditionalsLoopsMethodsVariable ScopeEnumerationsTuplesQuiz Yourself: C# BasicsExercise: Retail Discount CalculatorSolution: Retail Discount CalculatorExercise: Secure ATM PIN ValidationSolution: Secure ATM PIN ValidationExercise: Physics Projectile SimulationSolution: Physics Projectile Simulation
3.
Classes and OOP
Classes and OOP
20 Lessons
20 Lessons
Master the steps to effectively utilize classes, structs, and object-oriented programming features in C#.
4.
Classes and OOP II
Classes and OOP II
19 Lessons
19 Lessons
Apply your skills to understand inheritance, type casting, virtual methods, abstract classes, and generics in C#.
5.
Exception Handling
Exception Handling
8 Lessons
8 Lessons
Take a closer look at managing and creating exceptions in C# using try, catch, and finally blocks.
6.
Delegates and Events
Delegates and Events
14 Lessons
14 Lessons
See how C# handles delegates, events, anonymous methods, lambdas, and built-in delegate types.
7.
Interfaces
Interfaces
12 Lessons
12 Lessons
Master the steps to understanding and utilizing interfaces for structured, flexible C# code.
8.
Additional Features
Additional Features
14 Lessons
14 Lessons
Step through additional C# features like extension methods, partial classes, anonymous types, and local functions.
9.
Collections
Collections
15 Lessons
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
LINQ
9 Lessons
9 Lessons
Break apart LINQ basics, common operations, deferred execution, and impactful collection manipulation methods.
11.
Working with Strings
Working with Strings
12 Lessons
12 Lessons
Apply your skills to handling strings, using StringBuilder efficiently, and mastering regular expressions.
12.
Working with Dates and Time
Working with Dates and Time
9 Lessons
9 Lessons
Dig into C#'s DateTime struct for date manipulation and flexible formatting techniques.
13.
Multithreading and Asynchronous Programming
Multithreading and Asynchronous Programming
20 Lessons
20 Lessons
Tackle multithreading and asynchronous programming, enhancing application responsiveness and efficiency.
14.
Reflection
Reflection
9 Lessons
9 Lessons
Build on understanding .NET reflection, exploring type information, application, and attribute data.
15.
Dynamic Binding
Dynamic Binding
7 Lessons
7 Lessons
Try out dynamic binding using Dynamic Language Runtime and ExpandoObject class in C#.
16.
Garbage Collection and Unmanaged Resources
Garbage Collection and Unmanaged Resources
15 Lessons
15 Lessons
Grasp proper memory management, resource cleanup, and file handling in C# effectively.
18.
Appendix
Appendix
2 Lessons
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.
Complete more lessons to unlock your certificate
Developed by MAANG Engineers
ABOUT THIS COURSE
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.
ABOUT THE AUTHOR
Aidil Umarov
I am a person who loves learning and promotes learning opportunities to other people.
Trusted by 2.9 million developers working at companies
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Anthony Walker
@_webarchitect_
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Evan Dunbar
ML Engineer
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Software Developer
Carlos Matias La Borde
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Souvik Kundu
Front-end Developer
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Vinay Krishnaiah
Software Developer
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