Welcome to the 100+ Java Backend Mini Projects repository!
This is a comprehensive collection of hands-on, real-world mini projects built using Core Java, JDBC, MySQL, and other backend essentials.
Whether you're a beginner learning Java backend or a developer building your portfolio, this repository offers practical, project-based learning to help you master Java backend development.
- ✅ Console-Based Java Projects
- ✅ JDBC + MySQL CRUD Projects
- ✅ Authentication & Login Systems
- ✅ File Handling & Serialization
- ✅ Mini Database Systems
- ✅ Admin Dashboards (CLI)
- ✅ Real-Time Use Cases (e.g., Bank, Library, Hospital, etc.)
- 🧑🎓 Java Students & Beginners
- 👨💻 Backend Developers
- 📄 Resume/Portfolio Builders
- 🧪 Java + SQL Practice Seekers
- 💼 MCA/BCA/CS/IT College Projects
| Category | Sample Projects |
|---|---|
| Core Java (OOP + Logic) | Banking App, Calculator, Quiz System |
| JDBC + CRUD | Student DB, User Registration, Bookstore |
| Authentication | Login + Registration with SHA-256 Hashing |
| File I/O | File-Based Attendance, Expense Tracker |
| MySQL + Relations | E-commerce DB, Inventory, Loan Tracker |
| Real-life Simulations | Hospital, Library, Railway Reservation |
| Admin/User Systems | Feedback App, Hostel Allotment |
| Miscellaneous | Timetable App, Quiz Manager, Notes App |
- Java 8 or higher
- MySQL Server (for JDBC projects)
- JDBC Driver (Connector/J)
- Any IDE: IntelliJ IDEA / Eclipse / VS Code
- Git (optional for version control)
100-java-backend-mini-projects/ ├── 01-console-bank-app/ ├── 02-jdbc-student-manager/ ├── 03-login-register-auth/ ├── 04-library-system-jdbc/ ├── ... ├── 100-hospital-patient-manager/ ├── README.md └── LICENSE