C#

C# from fundamentals to production. OOP, generics, LINQ, async/await, delegates, events, reflection, and building real applications with .NET for web, desktop, and cloud.

BeginnerTopics 1–12

·.NET Platform & CLR
·Variables & Built-in Types
·Operators & Type Conversion
·Control Flow
·Loops
·Arrays
·Methods & Overloading
·Classes & Objects
·Constructors & this
·Inheritance & base
·Interfaces & Abstract Classes
·Namespaces & Using

Start Beginner →

IntermediateTopics 13–26

·Encapsulation & Access Modifiers
·Polymorphism
·Enums & Structs
·Generics
·Collections
·Exception Handling
·LINQ
·Delegates & Events
·Lambda Expressions
·Nullable Types
·String & StringBuilder
·File I/O
·Async/Await Basics
·Pattern Matching

Start Intermediate →

AdvancedTopics 27–38

·Records & Immutability
·Extension Methods
·Reflection & Attributes
·Span<T> & Memory
·Threading & Task Parallel Library
·Concurrent Collections & Channels
·Async Internals
·Expression Trees
·Source Generators
·Unsafe Code & Pointers
·Design Patterns in C#
·C# Interop & P/Invoke

Start Advanced →

PatternsTopics 39–50

·Dependency Injection
·Repository & Unit of Work
·CQRS & MediatR
·Unit Testing with xUnit
·Mocking with Moq
·Entity Framework Core
·ASP.NET Core Basics
·Middleware & Filters
·Configuration & Options
·Logging with Serilog
·Docker for .NET
·Performance & Diagnostics

Start Patterns →