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Tutorials under 'Java 21 OOP'

abstract-classes-java-when-why

Using Abstract Classes in Java – When and Why You Should Choose Them

Understand Java abstract classes with real-world examples. Learn when to use them, how they differ from interfaces, and their role in OOP design.

Abstract Class Interface Vs Abstract Object Oriented Java Java 21 OOP Java Design Patterns Java OOP Abstraction In Java Sealed Classes Inheritance Polymorphism Core Java

oop-in-java-complete-guide

What is Object-Oriented Programming (OOP) in Java? – A Complete Guide with Examples

Learn Object-Oriented Programming (OOP) in Java with real-world examples, best practices, FAQs, and expert tips. Ideal for both beginners and pros.

Encapsulation Java 21 OOP Sealed Class Java OOP Abstraction Record Class Java Classes Object In Java Inheritance Polymorphism Design Principles