Java Constructor Explained – Default, Parameterized, and Copy Constructors with Examples
Learn Java constructors in depth. Understand default, parameterized, and copy constructors with syntax, examples, use cases, and Java 17+ updates
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Getters and Setters in Java – Why They Matter and When to Use Them with Examples
Learn what getters and setters are in Java, how they help with encapsulation, when to use them, and how they work with modern Java features like records
Static vs Non-Static in Java – Differences, Syntax, and Real-World Examples Explained
Learn the difference between static and non-static in Java. Covers syntax, use cases, pros/cons, real-world examples, edge cases, and best practices
this Keyword in Java – How and When to Use It in Object-Oriented Programming
Understand the ‘this’ keyword in Java. Learn how it works, when to use it, common pitfalls, and real-world OOP examples with code and best practices.
IS-A vs HAS-A Relationship in Java – Inheritance vs Composition Explained with Code
Understand the IS-A vs HAS-A relationship in Java. Learn when to use inheritance or composition, with syntax, real-world examples, UML, and best practices.
Access Modifiers in Java OOP – public, private, protected, default Explained
Learn Java access modifiers – public, private, protected, and default – with syntax, examples, use cases, and OOP principles. Perfect for beginners and pros.
Final Class, Final Method, Final Variable – OOP Implications in Java
Understand the role of `final` keyword in Java OOP—learn how final classes, methods, and variables impact design, inheritance, and flexibility
Interfaces in Java – Complete Guide with Examples
Learn everything about interfaces in Java with real-world examples, syntax breakdowns, best practices, UML, Java 21 notes, and expert-level FAQs
Interface vs Abstract Class in Java – How to Choose the Right Tool
Understand the key differences between interface and abstract class in Java with real-world use cases, code examples, best practices, and FAQs
Polymorphism in Java – Unlocking Loose Coupling and Scalable Software Design
Learn how polymorphism drives loose coupling and scalable software architecture in Java. Includes real-world use cases, examples, UML, and best practices.