🚀 Java-DSA-Mastery

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📘 About

Java-DSA-Mastery is a complete Data Structures & Algorithms repository built using Java, designed for:

• Google SDE Preparation
• Product-Based Companies
• Coding Interviews
• Placement Preparation
• Competitive Programming
• University Revision

The repository contains structured notes, Java implementations, interview questions, cheat sheets, mind maps, and coding patterns from beginner to advanced level.

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🎯 Repository Goals

• Learn DSA from scratch
• Master Java implementations
• Build problem-solving skills
• Prepare for coding interviews
• Crack Google and product-based company interviews
• Create a high-quality open-source learning resource

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📂 Repository Structure

Java-DSA-Mastery
│
├── Assets
├── Docs
│
├── 01-Time-and-Space-Complexity
├── 02-Arrays
├── 03-Strings
├── 04-Hashing
├── 05-Two-Pointers
├── 06-Sliding-Window
├── 07-Binary-Search
├── 08-Recursion
├── 09-Backtracking
├── 10-Linked-List
├── 11-Stack
├── 12-Queue
├── 13-Trees
├── 14-Binary-Search-Tree
├── 15-Heaps
├── 16-Tries
├── 17-Graphs
├── 18-Greedy
├── 19-Dynamic-Programming
├── 20-Bit-Manipulation
├── 21-Math
├── 22-Union-Find
├── 23-Segment-Tree
├── 24-Fenwick-Tree
├── 25-Advanced-Patterns
└── 26-Interview-Revision

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📚 Learning Progress

Chapter	Topic	Status
✅ 01	Time & Space Complexity	Completed
✅ 02	Arrays	Completed
✅ 03	Strings	Completed
✅ 04	Hashing	Completed
✅ 05	Two Pointers	Completed
✅ 06	Sliding Window	Completed
✅ 07	Binary Search	Completed
✅ 08	Recursion	Completed
✅ 09	Backtracking	Completed
✅ 10	Linked List	Completed
✅ 11	Stack	Completed
✅ 12	Queue	Completed
✅ 13	Trees	Completed
✅ 14	Binary Search Tree	Completed
✅ 15	Heaps	Completed
✅ 16	Tries	Completed
✅ 17	Graphs	Completed
✅ 18	Greedy	Completed
✅ 19	Dynamic Programming	Completed
✅ 20	Bit Manipulation	Completed
✅ 21	Math	Completed
✅ 22	Union Find	Completed
✅ 23	Segment Tree	Completed
✅ 24	Fenwick Tree	Completed
✅ 25	Advanced Patterns	Completed
⏳ 26	Interview Revision	Coming Soon

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🏆 Features

• ✅ Beginner Friendly
• ✅ Java Solutions
• ✅ Pattern Recognition
• ✅ Brute Force → Better → Optimal
• ✅ Time & Space Complexity
• ✅ Google Interview Questions
• ✅ Cheat Sheets
• ✅ Mind Maps
• ✅ Interview Tips
• ✅ Revision Notes

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📸 Repository Preview

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🚀 Roadmap

• Complete all 26 chapters
• Add 300+ Java examples
• Add 250+ interview questions
• Add visual cheat sheets
• Add coding patterns
• Add Google interview notes
• Add revision guides

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🤝 Contributing

Contributions are welcome!

If you would like to improve this repository:

1. Fork the repository
2. Create a feature branch
3. Commit your changes
4. Open a Pull Request

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⭐ Support

If you found this repository useful,

⭐ Star this repository

🍴 Fork it

📢 Share it with others

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👨‍💻 Author

Sai Kumar Kadiri

Aspiring Software Engineer | Java Developer

• GitHub: https://github.com/kadirisaikumar3
• LinkedIn: https://www.linkedin.com/in/saikumarkadiri/

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📄 License

This project is licensed under the MIT License.

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🚀 Happy Coding!

Practice • Learn • Build • Repeat