https://github.com/kadirisaikumar3/java-dsa-mastery
🚀 Complete Java DSA Mastery for Google SDE, Product-Based Companies & Coding Interviews | Concepts, Patterns, Java Solutions, Cheat Sheets & Interview Preparation
https://github.com/kadirisaikumar3/java-dsa-mastery
algorithms coding-interviews data-structures dsa google-interview interview-preparation java java-dsa leetcode problem-solving software-engineering
Last synced: about 15 hours ago
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🚀 Complete Java DSA Mastery for Google SDE, Product-Based Companies & Coding Interviews | Concepts, Patterns, Java Solutions, Cheat Sheets & Interview Preparation
- Host: GitHub
- URL: https://github.com/kadirisaikumar3/java-dsa-mastery
- Owner: kadirisaikumar3
- License: other
- Created: 2026-06-26T08:50:26.000Z (13 days ago)
- Default Branch: main
- Last Pushed: 2026-06-30T05:34:44.000Z (9 days ago)
- Last Synced: 2026-06-30T07:17:03.099Z (9 days ago)
- Topics: algorithms, coding-interviews, data-structures, dsa, google-interview, interview-preparation, java, java-dsa, leetcode, problem-solving, software-engineering
- Homepage:
- Size: 6.39 MB
- Stars: 1
- Watchers: 0
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: CODE_OF_CONDUCT.md
- Security: SECURITY.md
- Support: SUPPORT.md
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README
# 🚀 Java-DSA-Mastery
---
# 📘 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.
---
# 🎯 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
---
# 📂 Repository Structure
```text
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
```
---
# 📚 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 | Coming Soon |
| ⏳ 12 | Queue | Coming Soon |
| ⏳ 13 | Trees | Coming Soon |
| ⏳ 14 | Binary Search Tree | Coming Soon |
| ⏳ 15 | Heaps | Coming Soon |
| ⏳ 16 | Tries | Coming Soon |
| ⏳ 17 | Graphs | Coming Soon |
| ⏳ 18 | Greedy | Coming Soon |
| ⏳ 19 | Dynamic Programming | Coming Soon |
| ⏳ 20 | Bit Manipulation | Coming Soon |
| ⏳ 21 | Math | Coming Soon |
| ⏳ 22 | Union Find | Coming Soon |
| ⏳ 23 | Segment Tree | Coming Soon |
| ⏳ 24 | Fenwick Tree | Coming Soon |
| ⏳ 25 | Advanced Patterns | Coming Soon |
| ⏳ 26 | Interview Revision | Coming Soon |
---
# 🏆 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
---
# 📸 Repository Preview
---
# 🚀 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
---
# 🤝 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
---
# ⭐ Support
If you found this repository useful,
⭐ Star this repository
🍴 Fork it
📢 Share it with others
---
# 👨💻 Author
**Sai Kumar Kadiri**
Aspiring Software Engineer | Java Developer
- GitHub: https://github.com/kadirisaikumar3
- LinkedIn: https://www.linkedin.com/in/saikumarkadiri/
---
## 📄 License
This project is licensed under the MIT License.
---
### 🚀 Happy Coding!
**Practice • Learn • Build • Repeat**