AC# Programming Fundamentals

• Basic Syntax & Structure
• Variables, data types, and constants
• Operators and expressions
• Control flow (if, switch, loops)
• Methods and parameters
• Arrays and collections basics
• String manipulation
• Comments and documentation

BObject-Oriented Programming (OOP)

• Classes and objects
• Encapsulation (access modifiers)
• Inheritance and polymorphism
• Abstract classes and interfaces
• Method overloading and overriding
• Constructors and destructor
• Static vs instance members
• Properties and indexers

CAdvanced C# Concepts

• Delegates and events
• Lambda expressions
• Extension methods
• Anonymous types
• Tuples and deconstruction
• Pattern matching
• Nullable types and null-conditional operators
• Value types vs reference types
• Structs and enums

D.NET Runtime & Core Concepts

• Common Language Runtime (CLR)
• Common Type System (CTS)
• Just-In-Time (JIT) compilation
• Assembly and metadata
• .NET Standard vs .NET Framework vs .NET Core

EMemory Management

• Stack vs heap memory
• Garbage collection fundamentals
• Generations (Gen 0, 1, 2)
• Dispose pattern and IDisposable
• using statements
• Memory leaks and profiling

FCollections & Generics

• List, Dictionary
• Queue, Stack, HashSet
• Generic classes and methods
• Generic constraints
• LINQ (Language Integrated Query)
• Query syntax vs method syntax

AAsynchronous Programming

• Understanding asynchronous operations
• async and await keywords
• Task and Task
• ValueTask for performance
• ConfigureAwait
• Cancellation tokens
• Async best practices

BParallel Programming

• Parallel.For and Parallel.ForEach
• PLINQ (Parallel LINQ)
• Task Parallel Library (TPL)
• Thread synchronization
• Race conditions and deadlocks

CFile I/O & Serialization

• File and Directory classes
• FileStream, StreamReader, StreamWriter
• JSON serialization (System.Text.Json)
• XML serialization
• Protocol Buffers

DData Access Fundamentals

• ADO.NET fundamentals
• Connection management
• Command execution
• DataReader for forward-only access
• Entity Framework Core
• Dapper (Micro-ORM)

AASP.NET Core Fundamentals

• Kestrel web server
• Startup and Program.cs configuration
• Middleware pipeline
• Dependency injection (DI)
• Configuration management
• Logging (Serilog, NLog)

BASP.NET Core MVC

• Model-View-Controller Pattern
• Controllers and actions
• Model binding and validation
• Razor syntax and views
• Layouts and partial views
• Tag helpers

CASP.NET Core Web API

• RESTful API Design
• API Controllers
• API versioning
• Swagger/OpenAPI documentation
• Pagination, filtering, sorting
• Rate limiting and caching

DAuthentication & Authorization

• ASP.NET Core Identity
• JWT (JSON Web Tokens)
• OAuth 2.0 and OpenID Connect
• Role-based authorization
• Policy-based authorization

EReal-Time Communication

• SignalR fundamentals
• Hubs and hub methods
• Connection management
• Groups and broadcasting
• Real-time notifications

AMicroservices Architecture

• Service boundaries and decomposition
• Inter-service communication (HTTP, gRPC)
• API Gateway pattern (Ocelot, YARP)
• Circuit breaker pattern (Polly)
• Docker fundamentals
• Kubernetes basics

BMessage-Based Communication

• RabbitMQ integration
• Azure Service Bus
• Apache Kafka
• Event-Driven Architecture
• CQRS pattern
• Event sourcing

CPerformance Optimization

• Span and Memory
• ArrayPool and MemoryPool
• Object pooling
• Distributed caching (Redis)
• Database query optimization
• Benchmark.NET for testing

DTesting Strategies

• Unit Testing (xUnit, NUnit, MSTest)
• Mocking (Moq, NSubstitute)
• Integration Testing
• End-to-end testing (Selenium, Playwright)
• Load testing (k6, JMeter)

ESecurity Best Practices

• Input validation and sanitization
• SQL injection prevention
• XSS and CSRF protection
• Secure password storage
• Encryption and hashing
• OWASP Top 10 awareness

AAzure Cloud Services

• Azure App Service
• Azure Functions (serverless)
• Azure Container Instances
• Azure Kubernetes Service (AKS)
• Azure Blob Storage
• Azure SQL Database
• Azure Cosmos DB

BCI/CD Pipelines

• Git fundamentals
• Branching strategies
• Azure Pipelines
• GitHub Actions
• Jenkins
• Deployment strategies

CMonitoring & Observability

• Structured logging (Serilog, NLog)
• Distributed tracing
• Metrics collection
• Application Insights
• Health checks

ABlazor (Web UI)

• Blazor Server
• Blazor WebAssembly
• Blazor Hybrid
• Component model
• JavaScript interop

BgRPC

• Protocol Buffers (protobuf)
• Service definitions
• Unary and streaming
• Interceptors
• Performance benefits

CDesktop Development

• WPF (Windows Presentation Foundation)
• Windows Forms
• .NET MAUI
• XAML markup
• MVVM pattern

DMachine Learning

• ML.NET basics
• Model training
• Classification and regression
• Recommendation systems
• Model deployment

1Core .NET Algorithms & Data Structures

• List: O(1) access, O(n) insertion
• Dictionary: O(1) average lookup
• HashSet: O(1) average operations
• Sorting Algorithms (Introspective Sort, TimSort)
• Binary Search: O(log n)
• String matching (Boyer-Moore-Horspool)

2Design Patterns in .NET

• Singleton: Lazy initialization
• Factory Method: IServiceCollection
• Builder: StringBuilder, WebApplicationBuilder
• Observer: Events and delegates
• Strategy: Dependency injection
• Repository Pattern
• Unit of Work
• CQRS pattern

3Essential .NET Tools & Libraries

• Visual Studio / VS Code / Rider
• dotnet CLI
• NuGet package manager
• Entity Framework Core
• Dapper (Micro-ORM)
• Serilog / NLog
• Polly (Resilience)
• AutoMapper
• FluentValidation

4Performance Techniques

• Span and Memory
• ArrayPool
• ValueTask
• String interning
• StringBuilder optimization
• In-Memory Caching
• Distributed Caching (Redis)

1.NET 8 & .NET 9 Features

• Native AOT compilation
• Dynamic PGO optimization
• Arm64 performance improvements
• Frozen collections
• SearchValues

2C# 12 & 13 Language Features

• Primary constructors
• Collection expressions
• Default lambda parameters
• Alias any type
• Inline arrays
• Interceptors

3ASP.NET Core Enhancements

• Native AOT support
• Blazor United
• Streaming rendering
• Enhanced form handling

4Cloud-Native .NET

• .NET Aspire
• Dapr Integration
• YARP reverse proxy
• Kubernetes operators

5AI & Machine Learning

• Semantic Kernel
• ML.NET advancements
• OpenAI integration
• Azure OpenAI SDK

6Modern Web Development

• Blazor streaming rendering
• Server-side rendering (SSR)
• SignalR improvements
• WebSockets enhancements

1Beginner Level (1-2 weeks each)

2Intermediate Level (2-4 weeks each)

3Advanced Level (1-3 months each)

4Expert/Research Level (3-6 months)

1Recommended Learning Order

• Weeks 1-8: C# fundamentals, OOP, .NET basics
• Weeks 9-16: Collections, LINQ, async, file I/O
• Weeks 17-24: ASP.NET Core basics, Web API, MVC
• Weeks 25-32: EF Core, authentication, SignalR
• Weeks 33-40: Advanced topics, microservices, cloud
• Week 41+: Specialization based on career goals

2Essential Resources

• Microsoft Learn (docs.microsoft.com)
• .NET YouTube channel
• "C# in Depth" by Jon Skeet
• "Pro ASP.NET Core" by Adam Freeman
• "Clean Architecture" by Robert C. Martin
• Stack Overflow
• Reddit: r/dotnet, r/csharp

3Career Paths

• Backend Developer ($70k-$150k+)
• Full-Stack Developer ($80k-$160k+)
• .NET Architect ($120k-$200k+)
• DevOps Engineer ($90k-$170k+)
• Machine Learning Engineer ($100k-$180k+)

4Success Tips

• Practice Daily: Consistency beats intensity
• Build Real Projects: Portfolio matters
• Read Source Code: Study open-source
• Contribute to OSS: Gain visibility
• Stay Updated: Follow .NET blog
• Network: Attend meetups, conferences
• Write Blog Posts: Solidify learning
• Solve Problems: LeetCode for algorithms
• Pair Program: Learn from others
• Never Stop Learning: Technology evolves