Java Notes & Tutorials
A comprehensive collection of Java programming notes, code snippets, and concepts ranging from core syntax to advanced topics. Ideal for revision, learning, and interview preparation.
🎯 Goal of this Repository
This repository serves as a quick reference guide for:
- Revision: Quick recap of concepts before interviews.
- Snippets: Copy-paste ready code for standard algorithms and patterns.
- Deep Dives: Understanding the why behind Java’s behavior (OOPs, Design Patterns).
📚 Explore Topics
Select a topic to dive in. These notes are structured to be read linearly or used as a reference.
☕ Core Java
Foundational concepts required for every Java developer.
- Object Oriented Programming - Covering key OOP concepts like Class, Object, Abstraction, Encapsulation, Inheritance, Polymorphism and Enum.
🚀 Advanced Java
Leveling up your skills for enterprise applications.
- Collections Framework - List, Set, Map internals and performance.
- Multithreading & Concurrency - Threads, Locks, Executors, CompletableFuture.
- Java 8+ Features - Lambdas, Streams API, Optional.
🛠️ Frameworks & Tools
- Design Patterns - Covering design patterns like creational, structural, and behavioral patterns.
These notes are constantly being updated. If you see an error, please open an Issue!
Happy Learning! ☕