C# Interview Preparation Guide

This repository is a comprehensive guide for preparing for C# interviews, covering essential topics from the basics of C# to advanced concepts.

Contents

• .NET CLR Runtime
  • Overview of CLR (Common Language Runtime)
  • Execution process in .NET
  • Memory management and garbage collection
• Syntax and Lexical Conventions, Datatypes
  • Basic syntax and structure of C# code
  • Primitive and non-primitive data types
  • Value types vs. reference types
• Conditionals, Looping Constructs
  • If-else statements, switch-case
  • Loops: for, foreach, while, do-while
• Functions
  • Defining and invoking functions
  • Parameters, return types, and overloading
  • Extension methods
• Object-Oriented Programming (OOP)
  • Classes and objects
  • Inheritance, polymorphism, encapsulation, and abstraction
  • Interfaces and abstract classes
• Multithreading
  • Basics of threading and Thread class
  • Task Parallel Library (TPL)
  • Synchronization and thread safety
• Exception Handling
  • Try-catch blocks
  • Custom exceptions
  • Best practices for exception handling
• ADO.NET
  • Database connectivity and operations
  • DataSet and DataReader
  • Connection, Command, and DataAdapter objects
• Delegates and Events
  • Delegates, multicast delegates
  • Events and event handling
  • Anonymous methods and lambda expressions
• LINQ (Language Integrated Query)
  • LINQ to Objects, LINQ to SQL, LINQ to XML
  • Query syntax vs. method syntax
  • Deferred execution and lazy evaluation
• Collections and Generics
  • Generic collections (List, Dictionary, etc.)
  • IEnumerable and IQueryable interfaces
  • Custom generic classes and methods
• Attributes and Reflection
  • Applying and creating custom attributes
  • Using reflection to inspect and invoke members
  • Dynamic type creation
• File I/O and Serialization
  • File reading and writing
  • Serialization and deserialization in .NET
  • XML and JSON handling
• Memory Management and Garbage Collection
  • Understanding managed heap and stack
  • Garbage collection process
  • IDisposable interface and using statements
• Asynchronous Programming (async/await)
  • Async methods and Task class
  • Using async and await keywords
  • Best practices for asynchronous programming

Contributing

Feel free to contribute to this repository by adding more examples, explanations, and resources related to each topic. Your contributions are greatly appreciated!