Module 1: Introduction to C# & .NET

1. Programming কী এবং কেন C#

2. .NET ecosystem overview

   • .NET SDK

   • CLR, CTS, CLS

   • JIT Compilation

3. Console Application Setup

4. Project Structure & .csproj file

5. First C# Program (Hello World)

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Module 2: C# Basics

1. Variables & Data Types

   • int, float, decimal, double, bool

2. Strings & String Operations

3. Operators (Arithmetic, Logical, Comparison)

4. Conditional Statements

   • if, else if, switch

5. Looping

   • for, foreach, while, do-while

6. Input/Output

7. Type Conversion

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Module 3: Methods & Functions

1. Method Structure

2. Parameters & Return Types

3. Method Overloading

4. Named & Optional Parameters

5. Recursion Basics

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Module 4: Object-Oriented Programming (OOP)

1. Classes & Objects

2. Fields, Properties, Methods

3. Constructors

4. Encapsulation

5. Inheritance

6. Polymorphism

7. Abstraction

8. Interfaces

9. Static Class & Members

10. Partial Class

11. Sealed Class

12. Records (C# 9+)

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Module 5: Collections & Generics

1. Arrays

2. List, Dictionary, HashSet

3. Stack, Queue

4. Generics (T)

5. Constraints (where T : class…)

6. IEnumerable, IQueryable

7. Collection Performance Concepts

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Module 6: Error Handling

1. Exception Handling

2. try, catch, finally

3. Custom Exceptions

4. Debugging Basics

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Module 7: File & Directory

1. File Read/Write

2. Directory Create/Move/Delete

3. JSON Serialization

   • System.Text.Json

4. XML Processing

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Module 8: Asynchronous Programming

1. Thread Basics

2. async/await

3. Task & Task<T>

4. Parallel Programming

5. CancellationToken

6. Deadlock Issues

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Module 9: LINQ (Very Important)

1. LINQ Basics

2. Filtering, Sorting, Selecting

3. Grouping

4. Joins

5. Aggregate Methods

6. Query Syntax vs Method Syntax

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Module 10: C# Latest Features (C# 10–12)

🔥 C# 12 Topics

1. Primary Constructors

2. Collection Expressions

3. Default Lambda Parameters

4. Inline Arrays

5. Alias Any Type

6. Interceptors (Experimental)

C# 11 Topics

1. Raw string literals

2. Required members

3. List patterns

4. Generic math support

C# 10 Topics

1. Global using directives

2. File-scoped namespace

3. Constant interpolated strings

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Module 11: .NET Core Essentials

1. Build, Publish, Runtime

2. Dependency Injection (DI)

3. appsettings.json

4. Logging

5. Environment Configuration

6. Hosting Models

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Module 12: C# & Database

1. ADO.NET Basics

2. Entity Framework Core

   • Code First

   • Migrations

   • LINQ to Entities

3. Repository Pattern

4. Unit of Work

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Module 13: API Development with C# (.NET Web API)

1. Web API Basics

2. Controllers & Endpoints

3. Routing

4. Model Binding

5. Validation

6. Filters

7. JWT Authentication

8. Role-based Authorization

9. Swagger Documentation

10. API Versioning

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Module 14: Clean Architecture

1. Layered Architecture

2. Domain, Application, Infrastructure, API layers

3. Mapping using AutoMapper

4. CQRS Pattern

5. MediatR

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Module 15: Unit Testing & Automation

1. xUnit Basics

2. Moq for mocking

3. Test Patterns

4. Integration Testing

5. TDD Introduction

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Module 16: C# for Real Projects

1. Building a Task Manager Application

2. Building a Full CRUD API

3. File Upload/Download Web API

4. Authentication API (Login/Register)

5. Console-based mini projects

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Module 17: Advanced Topics

1. Reflection

2. Source Generators

3. Memory Management

4. Span<T>, Memory<T>

5. Unsafe Code

6. Performance Tuning

7. Interop with C++

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Module 18: Deployment & DevOps

1. Publishing .NET Apps

2. Docker Basics for C#

3. Dockerize .NET Application

4. CI/CD using Azure DevOps

5. Versioning & Secrets Handling

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Module 19: Interview Preparation

1. Top C# Interview Questions

2. OOP, LINQ, Async, EF Core Questions

3. Live Coding Tasks

4. System Design Basics