Java Interface vs Abstract Class: What’s the Difference?

Published: 02 July 2026
on channel: Java Velocity Byte
146
24

In this video, we explore the power of Interfaces in Java, one of the most critical concepts in Object-Oriented Programming (OOP). You will learn how to define, implement, and use interfaces to build flexible and maintainable Java applications.

What you will learn in this tutorial:

What is an interface and why do we use it?
How to define and implement multiple interfaces in Java.
The key differences between Interfaces and Abstract Classes.
Real-world coding examples in IntelliJ IDEA.
Whether you're preparing for a Java interview or just starting your coding journey, mastering interfaces is essential for writing clean, modular code.

Key Topics Covered:

Introduction to Java Interfaces
Implementing Interfaces with classes
Multiple Inheritance through Interfaces
Abstract Methods vs. Default Methods
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