🧑‍💼 Employee Management System

A Spring Boot and React.js full-stack web application for managing employee data. It allows users to add, view, update and delete employee records. The app features a responsive frontend, RESTful backend, and an H2 in-memory database for development and testing.

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🚀 Features

• Add new employee records
• View all employees dynamically
• Update employee information
• Delete employee record
• Sample data preloaded via H2 on startup

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📚 Table of Contents

• Technologies Used
• Prerequisites
• Installation
• Running the Application
• Project Structure
• Endpoints
• Database Initialization
• License

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🛠️ Technologies Used

Component	Technology
Frontend	React.js, CSS, HTML
Backend	Java 21, Spring Boot
Database	H2 (In-Memory)
Build Tool	Maven
API Format	RESTful

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✅ Prerequisites

• Java 21+
• Maven 3.8+
• Node.js and npm (for frontend)
• Git (optional)

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🧩 Installation

1. Clone the Repository

git clone <repository-url>
cd Employee-Management-System

2. Build Backend

cd ems-backend
mvn clean install

3. Build Frontend

cd ../ems-frontend
npm install

▶️ Running the Application

🧠 Backend

cd ems-backend
mvn spring-boot:run

Visit H2 Console: http://localhost:8080/h2-console

🌐 Frontend

cd ems-frontend
npm start

App URL: http://localhost:5173

🧱 Project Structure

Employee-Management-System/
├── ems-frontend/        # React.js frontend
├── ems-backend/         # Spring Boot backend
└── README.md            # Documentation

🌐 Endpoints

RESTful Endpoints

• GET /api/employees → List all employees

• POST /api/employees → Add a new employee

• PUT /api/employees/{id} → Update employee by ID

• DELETE /api/employees/{id} → Delete employee by ID

🗃️ Database Initialization

• The backend uses H2 in-memory database. Sample records are auto-loaded via data.sql.
• Schema creation via Spring JPA
• Access console at: http://localhost:8080/h2-console

📄 License

• This project is released under the MIT License.