Interface in OOP Explained Simply | Real-Life Example & C# Interface Tutorial

Interface is one of the most important concepts in Object-Oriented Programming (OOP) and is widely used in real-world software development.
In this video, you will learn what an interface is, why it is needed, and how interfaces work in C# with real-life examples.
An interface defines what a class must do, but not how it does it. It provides 100% abstraction, helps achieve loose coupling, and supports multiple inheritance in C#.
🎯 In this video you will learn:
What is Interface in OOP?
Why Interface is used
Real-life example of Interface
Interface in C# with simple example
Difference between Abstract Class and Interface
Interface interview questions
📌 Best for:
Beginners in programming
C# and .NET learners
Engineering students
OOP interview preparation
Software developers
👉 Watch till the end to clearly understand interfaces — a must-know topic for every programmer.
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