Learn C# - Comprehensive Course
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Beginner Level: C# Fundamentals
1. Introduction to C#
History and evolution of C#
Setting up development environment (Visual Studio, .NET SDK)
First C# program: Hello World
2. Basic Syntax and Data Types
Variables, constants, and data types
Operators and expressions
Type conversion and casting
3. Control Flow
if, else, switch statements
for, while, do-while loops
break, continue, and goto
4. Methods
Declaring and calling methods
Parameters, return values
Method overloading
Intermediate Level: Object-Oriented C#
5. Classes and Objects
Defining classes and creating objects
Constructors and destructors
this keyword
6. Encapsulation and Properties
Access modifiers
Getters and setters (Properties)
7. Inheritance and Polymorphism
Types of inheritance
Method overriding and virtual methods
Abstract classes and interfaces
8. Arrays and Collections
Single and multidimensional arrays
List, Dictionary, Queue, Stack
Advanced Level: Modern C# Features
9. Exception Handling
try, catch, finally
Custom exceptions
10. Delegates and Events
Delegates syntax and usage
Events and event handlers
11. LINQ (Language Integrated Query)
Query syntax and method syntax
Filtering, sorting, grouping
12. File Handling
Reading from and writing to files
File and Directory classes
Professional Level: Advanced Topics & Best Practices
13. Asynchronous Programming
async and await
Tasks and Task Parallel Library (TPL)
14. Dependency Injection
Concept and benefits
Using built-in DI in .NET Core
15. Unit Testing
Writing test cases with MSTest/NUnit/xUnit
Mocking dependencies
16. Best Practices
Naming conventions and code organization
Error handling and defensive coding
Optional / Specialized Topics
17. WPF & Windows Forms
Creating GUI applications
Event-driven programming
18. ASP.NET Core Basics
Building web APIs and MVC apps
Routing, middleware, and controllers
19. Blazor and WebAssembly
Creating interactive web UIs with C#
20. C# in Game Development (Unity)
Using C# with Unity engine
Basic game loop and events
