Lecture 28: Interface in OOP Using Java | Complete Guide for Mobile App Development

Описание: Lecture 28 of the Object-Oriented Programming (OOP) using Java and Mobile App Development course focuses on the concept of Interface, a fundamental mechanism used to achieve 100% abstraction and multiple inheritance behavior in Java.

In this lecture, you will learn how interfaces define contracts that classes must follow, making applications loosely coupled, scalable, and easier to maintain. The concept is explained with clear Java-based examples, particularly relevant to mobile app and Android development, where interfaces are widely used for event handling, callbacks, and API communication.

🔹 Topics Covered in This Lecture:

What is an Interface in Java

Why interfaces are important in OOP and Mobile App Development

Difference between:

Interface and Abstract Class

Interface and Class

How to implement interfaces in Java

Achieving multiple inheritance using interfaces

Role of interfaces in:

Android event handling

Callbacks and listeners

Clean architecture and modular design

Real-world and mobile app–oriented examples

Advantages and limitations of interfaces

This lecture is ideal for:

Students learning OOP concepts using Java

Beginners in Mobile App Development

Learners preparing for programming interviews

Developers aiming to write flexible and reusable Java code

By the end of this lecture, you will be able to design and implement interfaces confidently in Java, enabling you to build robust, maintainable, and scalable mobile applications.

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