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.
All Tutorials
Curated Java + Spring Boot tutorials with real-world backend patterns and clean examples.
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.
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
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
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
OOP vs Procedural Programming in Java – Key Differences, Use Cases, and Examples Explained
Learn the core differences between OOP and procedural programming in Java. Covers concepts, syntax, pros, cons, and real-world use cases with examples
Polymorphism in Java – Understanding Method Overloading vs Overriding with Examples
Learn polymorphism in Java with in-depth coverage of method overloading and overriding, real-world examples, best practices, and Java 17+ features.
Inheritance in Java – Concepts, Syntax, Best Practices, and Real-World Use Cases
Learn inheritance in Java with syntax, real-world examples, best practices, and Java 17+ features like sealed classes. Ideal for Java beginners and pros.
Abstraction in Java Explained Simply – Abstract Classes, Interfaces, and Real-Life Examples
Learn abstraction in Java using simple terms, real-world examples, and modern syntax. Covers abstract classes, interfaces, and design best practices.
Understanding Encapsulation in Java with Real-Life Examples and Best Practices
Learn encapsulation in Java with real-world examples, UML diagrams, and code walkthroughs. Understand its role in OOP and enterprise Java design
How to Create and Use Objects in Java – Step-by-Step Tutorial with Code and Best Practices
Learn how to create and use objects in Java with code examples, syntax rules, best practices, and FAQs. A must-read for Java beginners and experts
Class and Object in Java – The Ultimate Beginner's Guide with Code Examples
Learn everything about classes and objects in Java. Ideal for beginners and professionals. Covers syntax, examples, best practices, and FAQs.