C#: Language Fundamentals C# is a strongly-typed, object-oriented language developed by Microsoft. It runs on the .NET CLR and is the primary language for ASP.NET Core, Unity, and Xamarin/MAUI. Modern C# (10–13) continue…
ReadC#: OOP & Type System Classes & Inheritance // Class with properties and constructor public class Animal { public string Name { get; init; } // init-only — set only in constructor/initializer public int Age { get; privat…
ReadC#: LINQ & Collections LINQ (Language Integrated Query) provides a unified syntax for querying arrays, lists, XML, databases, and any IEnumerable<T> source. It uses deferred execution — queries run when iterated, not whe…
ReadC#: async/await & Tasks C# async/await is built on the Task Parallel Library (TPL). async/await transforms methods into state machines that resume on completion — no thread is blocked while awaiting. async/await Basics /…
ReadC#: Modern Features & Interview Questions Records (C# 9+) // Record — immutable reference type with value equality public record User(int Id, string Name, string Email); var alice = new User(1, "Alice", "alice@example.co…
ReadC#: Reflection, Attributes & Source Generators Custom Attributes // Define a custom attribute [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)] public class Audit…
ReadC#: Testing & Benchmarking xUnit Patterns // Shared context — expensive setup once per class public class DatabaseFixture : IDisposable { public AppDbContext Db { get; } public DatabaseFixture() { var options = new DbCon…
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