Exam Scheduler is a full-stack web application built with Spring Boot (Java) for the backend and React for the frontend.
The app allows users to register, log in, and manage their exams in a personalized dashboard, with secure authentication using JWT.
- User Registration & Login with JWT authentication
- Password encryption using BCrypt
- Personalized Dashboard – each user sees only their own exams
- CRUD Operations for Exams (Create, Read, Update, Delete)
- Validation with DTOs to ensure data integrity
- Error Handling using
@ControllerAdvice - Responsive Frontend built with React + Axios + React Router
- User Counter – displays the total number of users in the app
- Protected Routes – only authenticated users can access the dashboard
Backend:
- Java 24
- Spring Boot 3 (Web, Security, Data JPA)
- JWT Authentication
- PostgreSQL Database
- Maven
Frontend:
- React (Vite)
- Axios
- React Router DOM
- CSS Modules
backend/
├── src/main/java/com/exam_scheduler/Exam_Scheduler
│ ├── dto/
│ ├── exception/
│ ├── controller/ # REST controllers
│ ├── model/ # Entities (User, Exam)
│ ├── repository/ # JPA repositories
│ ├── service/ # Business logic
│ ├── security/ # JWT config & filters
│ └── ExamSchedulerApplication.java
└── src/main/resources/
└── application.properties
frontend/
├── src/
│ ├── pages/ # Page-level components
│ ├── styling/
│ ├── App.jsx
│ └── main.jsx
└── public/
