A comprehensive documentation of my journey from Java fundamentals to advanced concepts
Every line of code represents a step forward in mastering one of the most powerful programming languages
| Building Strong Foundations
Classes & Objects • Inheritance | Efficient Data Management
ArrayList • LinkedList | Mastering Modern Java
File I/O • Lambda Expressions |
%%{init: {'theme': 'neutral'}}%% mindmap root((Java Journey)) Document Progress Timeline tracking Commit history Version control Build Portfolio Showcase skills Real projects Clean code Enable Revision Quick reference Code patterns Solutions Share Knowledge Help others Clear examples Documentation Practice Consistency Regular coding Continuous improvement Daily commits | Goal | Description | Status |
|---|---|---|
| 📈 Document Progress | Complete timeline of learning journey | ✅ Active |
| 💼 Build Portfolio | Showcase practical coding skills | ✅ Growing |
| 📝 Enable Revision | Quick reference for concepts & patterns | ✅ Ongoing |
| 🤝 Share Knowledge | Help others with clear examples | ✅ Public |
| 🔄 Practice Consistency | Regular coding & continuous improvement | ✅ Daily |
|
|
| Technologies: Two complete implementations showcasing different data structures:
Concepts: Collections, Data Management, OOP Design Technologies: Intelligent recommendation system that:
Concepts: Sets, Algorithms, Graph Theory Technologies: Simple yet functional CLI audio player featuring:
Concepts: Events, Functional Design, User Input | Technologies: Comprehensive student management system:
Concepts: Collections Integration, Data Validation Technologies: Advanced restaurant management system:
Concepts: Enums, Multithreading, Concurrency Technologies: Professional library management:
Concepts: File I/O, OOP Architecture, Persistence |
✨ Plus dozens more exercises and mini-applications across all topics!
| Category | Tools & Technologies |
|---|---|
| Language | Java 21 (with modern features like Records, Pattern Matching) |
| IDEs | IntelliJ IDEA Ultimate, VS Code with Java Extension Pack |
| Build Tools | Maven for dependency management and project structure |
| Version Control | Git & GitHub for source control and collaboration |
| Testing | JUnit 5 (in progress) |
| Documentation | Javadoc, Markdown |
# 1. Clone the repository git clone https://github.com/akash0-real/java.git cd java # 2. Navigate to any topic folder cd OOP # or cd collections/aggregation # or cd projects # 3. Compile and run any Java file javac FileName.java java FileName # 4. Explore, learn, and experiment! 🚀java/ │ ├── 📁 OOP/ # Object-Oriented Programming concepts │ ├── Classes & Objects │ ├── Inheritance examples │ ├── Polymorphism demos │ └── Abstraction patterns │ ├── 📁 arrays/ # Array operations and algorithms │ ├── Searching algorithms │ ├── Sorting techniques │ └── Array manipulations │ ├── 📁 collections/aggregation/ # Collections Framework │ ├── ArrayList implementations │ ├── LinkedList examples │ ├── HashMap usage │ └── HashSet operations │ ├── 📁 file_io/ # File Input/Output operations │ ├── RandomAccessFile │ ├── Buffer operations │ └── Data persistence │ ├── 📁 hashmaps/ # HashMap deep dive ├── 📁 hashsets/ # HashSet implementations │ ├── 📁 lambda_fn/ # Lambda Expressions & Functional Programming │ └── Modern Java syntax │ ├── 📁 loop_and_conditional_problems/ # Logic building exercises │ ├── 📁 methods/ # Method design patterns │ ├── 📁 networking/ # Network programming │ ├── Client-Server apps │ └── Socket programming │ ├── 📁 projects/ # Real-world applications │ ├── Inventory systems │ ├── Management systems │ └── Mini applications │ ├── 📁 streamline_api/ # Streams API │ ├── Filter operations │ ├── Map & Reduce │ └── Collectors │ ├── 📁 strings/ # String manipulation │ └── 📄 README.md # You are here! 👋 - Start with Fundamentals → Begin with OOP and basic concepts
- Build Projects → Apply concepts in real applications
- Practice Daily → Consistency is key to mastery
- Experiment → Modify code and see what happens
- Document → Write comments and notes as you learn
|
|
gantt title Learning Roadmap Timeline dateFormat YYYY-MM section Completed Core Java Fundamentals :done, 2025-06, 2025-09 OOP & Collections :done, 2025-05, 2025-11 section Current Advanced Topics :active, 2025-11, 2026-01 JUnit & Testing :active, 2025-12, 2026-01 section Upcoming Spring Framework :2026-01, 2026-03 Microservices :2026-03, 2026-05 While this is a personal learning repository, I'd love to hear from you!
| How to Contribute | Description |
|---|---|
| 🐛 Report Bugs | Found an issue? Open an issue on GitHub |
| 💡 Suggest Topics | Have ideas for new projects or concepts? Let me know! |
| 📖 Share Resources | Know great Java learning materials? Share them! |
| ⭐ Star the Repo | If you find this helpful, give it a star! |
| 🔀 Fork & Learn | Feel free to fork and use for your own learning |
Let's connect and grow together! I'm always excited to meet fellow Java enthusiasts and developers.
💬 Open for:
- Collaboration on Java projects
- Code reviews and feedback
- Learning resources exchange
- Career advice and mentorship
If you find this repository helpful, inspiring, or useful:
Every star ⭐ motivates me to keep learning and building!
This project is open source and available under the MIT License
Feel free to use this code for learning, teaching, or building your own projects!
— Dennis Ritchie
Made with ☕ and 💻 by Akash Bisht
Last Updated: December 2025
