Abstract Class vs Interface in C# | IS-A vs CAN-DO (Finally Explained)

In this video, we'll break down both concepts using simple real-world examples and practical C# code. You'll learn: ✔ What an Abstract Class is ✔ What an Interface is ✔ The key differences between them ✔ When to choose one over the other ✔ IS-A vs CAN-DO relationships ✔ Shared behavior vs shared capabilities ✔ Real-world examples with Employees and Smart City objects ✔ Best practices used in modern C# applications By the end of this lesson, you'll clearly understand one of the most frequently asked C# interview questions and know exactly when to use Abstract Classes and Interfaces in your own projects. Topics Covered: Object-Oriented Programming (OOP) Abstraction Abstract Classes Interfaces Polymorphism Dependency Injection Clean Architecture C# Best Practices #csharp #dotnet #oop #softwareengineering #coding #programming #dotnetdeveloper #cleanarchitecture #solidprinciples #backenddevelopment also In this channel, you will learn practical backend development concepts using .NET and C#. This channel covers real-world topics including: .NET, C#, microservices architecture, Docker, backend development, testing, databases, clean architecture and system design. Subscribe for more professional backend and .NET tutorials. LinkedIn: www.linkedin.com/in/hossein-tavakkoli