Constructors in Java Inheritance – Understanding Superclass and Subclass Constructor Behavior
Learn how constructors behave in Java inheritance, including super() rules, chaining, edge cases, and real-world best practices for clean subclass design.
Tutorials under 'Java OOP'
The Object Class in Java – Mastering equals(), hashCode(), and toString()
Understand the role of Java's Object class and how to override equals(), hashCode(), and toString() for clean, consistent, and bug-free Java applications.
Upcasting and Downcasting in Java – Understanding Type Casting in Inheritance with Diagrams
Master upcasting and downcasting in Java OOP with clear examples, class diagrams, use cases, and pitfalls. Learn how and when to use type casting in inheritance
SOLID Principles in Java OOP – Complete Guide with Examples and Best Practices
Learn SOLID principles in Java with real-world examples, clean code practices, UML-style illustrations, and refactoring tips for scalable object-oriented design
Object-Oriented Design Patterns in Java – Best Practices for Scalable Software Architecture
Learn object-oriented design patterns in Java with real-world examples, UML diagrams, and best practices to write scalable, clean, and reusable code
Liskov Substitution Principle in Java – Common Misuses and Clean Fixes
Learn the Liskov Substitution Principle in Java with real-world examples, common pitfalls, and practical refactorings to write clean, robust OOP code.
Dependency Inversion and Interface Segregation in Java – Write Modular and Scalable OOP Code
Learn how to apply Dependency Inversion and Interface Segregation in Java for clean, testable, and loosely coupled object-oriented designs
Open-Closed Principle in Java OOP – Write Flexible & Extensible Code
Understand the Open-Closed Principle in Java OOP. Learn how to build flexible, extensible software by writing code that is open for extension, closed for modification
How Java’s OOP Model Enhances Test-Driven Development (TDD) Practices
Discover how Java’s object-oriented programming model empowers test-driven development with reusable, modular, and easily testable code structures
OOP Pitfalls in Java – Anti-patterns You Should Avoid
Avoid common OOP pitfalls in Java by learning key anti-patterns, their impact, and how to refactor them for clean, modular design
Immutable Objects in OOP – How to Design and Use in Java
Learn how to design and use immutable objects in Java for better code safety, thread-safety, and maintainability in modern OOP applications
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.