Java API Basics – User Management

This project simulates a basic user management system using pure Java.
It is designed to demonstrate fundamental OOP concepts and a simple layered architecture, similar to a backend API structure.

📌 Features

• Add a user
• List all users
• Delete user by ID
• Update user information

🛠 Technologies Used

• Java 17+
• Object-Oriented Programming (OOP)
• Layered architecture: Model – Service – Controller

🚀 How to Run

1. Open the terminal and navigate to the project directory
2. Compile all Java files:

   javac src/**/*.java