C# and .NET Roadmap for Beginners

This document contains a simplified list of concepts to guide new developers through learning the basics of the C# programming language, and a brief introduction to the .NET ecosystem.

C#

Fundamentals

• Learn the Fundamentals
  • Basic Syntax
  • Variables and Data Types
    • String
    • Int
    • Boolean
    • Float/Double/Decimal
    • Var
  • Conditionals
  • Methods
  • Collections
    • List
    • Dictionary
    • Array
  • Loops
  • Namespaces
  • Using directives
  • String Interpolation

Object-Oriented Programming

• Object-Oriented Programming
  • Three Pillars
    • Encapsulation
      • Classes
      • Structs
      • Records
    • Inheritance
      • Interfaces
      • Abstract classes
    • Polymorphism
      • Virtual
      • Override
      • Using Base Classes
  • Access Modifiers
    • Public
    • Private
    • Internal
    • Protected

Intermediate

• Intermediate
  • Enums
  • Object and Collection initializers
  • Asynchronous Programming
    • Asynchronous programming scenarios
    • Async
    • Await
    • Tasks
  • Exception Handling
  • Generics
  • Immutability
    • Readonly
    • Const
  • Static
  • Tuples
  • Nullability
    • tutorial
  • Casting
  • Overflow
  • Discards

• Advanced (Advanced C# course on FreeCodeCamp's YouTube channel)
  • Extension Methods
  • Delegates, Lambdas, expression trees
    • Delegates
      • Func<>
      • Action<>
      • Predicate<>
    • Lambdas
      • "=>" Operator
      • Arrow Functions
    • Expression Trees
  • Events
  • Linq
  • Reflection
  • Nested Types

Exercises:

• C# programming challenges, based on the book by Paul Deite C# for programmers
• Fundamentals of Programming with C# book
• C# in a nutshell by O'Reilly

Tests:

• TutorialsTeacher
• CsharpTips

Still missing:

• Data access (course on Pluralsight)
• Class libraries (course on PluralSight)
• Unit testing (course on PluralSight)
• Secure coding with OWASP (course on PluralSight)
• Performance (course on PluralSight)
• Source generators (course on PluralSight)

.NET

• Introduction
  • .NET Languages
  • .NET Implementations
  • .NET Class Libraries
  • .NET Standard
  • .NET Releases
  • .NET CLI
• Runtime libraries
  • Overview
  • Regular Expressions
  • Serialization
  • File and Stream I/O
  • File globbing
  • Console apps
  • Dependency Injection
  • Configuration
  • Logging
  • .NET Host
  • Networking
  • Primitives
  • Globalization and localization
  • Resources
  • Worker Services
  • Caching
• MSBuild
  • Overview
  • Target frameworks
  • Dependency management
• Execution model
  • Common Language Runtime or CLR
  • Managed execution process
  • Assemblies
  • Dependency loading
  • Versioning
  • Configuring the runtime
• Diagnostics
• Advanced Topics
  • Threads
    • lock
      • Exercism exercise
  • Memory management and resource cleanup
    • Heap vs Stack: part 1-2-3-4

Design patterns and SOLID

• SOLID
  • Microsoft Docs
  • Educative.io
• Design patterns
  • Creational patterns
    • Singleton - also here
    • Factory - also here
    • Prototype - also here
  • Structural patterns
    • Decorator - also here
    • Composite - also here
    • Adapter - also here
    • Bridge - also here
  • Behavioral patterns
    • Memento - also here
    • Strategy - also here
    • Observer - also here

Going on ...

Continue on @Elfocrash's .NET Backend Developer roadmap

Complete with roadmap.sh/aspnet-core

Resources:

• Entity Framework Core: Quick intro
• Software Architecture: Course