Masterclass C# OOPs in Hindi | Interfaces, Generics & More (Part 2)

Learn Object-Oriented Programming (OOPs) in C# from scratch explained step by step in Hindi with practical, real-world examples. If you want to write clean, reusable, and maintainable C# code, OOPs is the foundation you cannot skip. In this video, we cover every essential OOP concept in C# from Abstract Classes & Interfaces, generics, and exception handling with code examples you can actually use in your projects. Video Timestamps / Chapters 00:00 – Intro: The Need for Dynamic & Generic Data 00:19 – Abstract Classes Explained 01:25 – What is an Interface? Contract & Implementation 02:38 – Real-World Interface Example (Payment Gateway) 03:56 – Structs in C# (Value Types vs. Reference Types) 05:47 – Enums: Grouping Named Constants 07:50 – Static Members & Static Classes 10:09 – Readonly Fields & Runtime Constants 11:12 – Generic Collections: List T Implementation 13:57 – Key-Value Storage with Dictionary TKey, TValue 15:48 – HashSet, Queue (FIFO) & Stack (LIFO) Concepts 17:03 – Implementing HashSet (Unique Values) 17:50 – Implementing Queue (Enqueue & Dequeue) 19:12 – Implementing Stack (Push & Pop) 20:20 – When to Use HashSet, Queue, and Stack 21:46 – Generics: Writing Type-Safe, Reusable Code 23:34 – Building a Custom Generic Class (Box T) 25:36 – Exception Handling Basics (Try, Catch & Finally) 28:53 – Throwing Custom Exceptions & Wrap-Up Playlist: C#:    • C# Beginner to Advanced Series   GenAI:    • GenAI with JavaScript   .NETCore Interview:    • .NET Core Interview Questions & Answers Ma...   CSharp Interview:    • C# Interview Questions and Answers   If you're planning to buy VPS hosting, I’ve got a great deal for you! Get 20% discount with this link. 👉 Get it here: https://www.hostinger.com/in?REFERRAL... Need a Website, Mobile App, or Custom Software? For business enquiries or project discussions: 📩 Email: hellonextbuild@gmail.com 🌐 Website: www.nextbuild.in 📸 Instagram:   / hellonextbuild   👍 Don’t forget to Like, Share & Subscribe 💬 Comment your thoughts & video suggestions #SoftwareDevelopment #DotCore #ArtificialIntelligence