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Java Notes

Comprehensive Java notes covering design patterns, object-oriented principles, core language concepts, and interview-ready guides — for students, developers, and those preparing for technical interviews.

Design Patterns OOP Core Java Interviews

Java Notes

Browse available Java notes and guides.

Important Design Patterns

Creational, Structural & Behavioural patterns — Singleton (6 variants), Builder, Factory Method, Abstract Factory, Decorator, and Strategy. With code examples and interview Q&A.

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