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Tutorials under 'Interface Default Methods'

Practical, example-driven posts focused on Java, Spring Boot, backend design, and performance.

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interfaces-in-java-guide

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

Java Interfaces Multiple Inheritance Object Oriented Programming Java 21 Software Design Java OOP Abstraction Sealed Interfaces Polymorphism Interface Default Methods Refactoring Modular Design