🚗 Vehicle Rental System

A simple GUI-based Java application to manage a vehicle rental system using OOP concepts. It allows users to rent and return vehicles, view available vehicles, and track rentals through a unique rental ID.

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📌 Features

• Rent vehicles (Car / Motorcycle)
• Return rented vehicles using Rental ID
• View available vehicles
• Unique rental ID generation (e.g., RC5, RM3)
• Basic input validation and error handling
• GUI with colorful modern buttons and font styling

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🧱 Technologies Used

• Java (JDK 8 or higher)
• Swing for GUI
• OOP Concepts (Encapsulation, Inheritance, Composition)
• IntelliJ

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🗂️ Project Structure

VehicleRentalSystem/ │ ├── models/ # Vehicle, Car, Motorcycle, Customer classes ├── system/ # RentalSystem, DataStore classes ├── ui/ # GUI interfaces (MainMenuUI, RentalFormUI, ReturnFormUI, UIDesign ) └── VehicleRentalSystem.java # Entry point of the application

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🚀 How to Run

1. Clone the repository or download the ZIP.
2. Open the project in your preferred Java IDE.
3. Compile the entire project.
4. Run VehicleRentalSystem.java to launch the application.

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🎮 Usage

Rent a Vehicle:

• Click on Rent Vehicle
• Select a vehicle
• Enter your Name and Contact Number
• You’ll get a unique rental ID like RC3

Return a Vehicle:

• Click on Return Vehicle
• Enter your Rental ID (e.g., RM5)
• Vehicle will be returned and added back to availability

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Validation

• Contact number must be numeric and 10 digits
• Name field cannot be empty
• Rental ID format is validated during return

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📌 Notes

• No database integration; data is stored in memory using ArrayLists.
• Data is reset every time the application restarts.
• You can add more sample vehicles in DataStore for testing.

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📧 Contact

For improvements or questions, feel free to reach out!

• gptdevansh@gmail.com

• https://www.linkedin.com/in/gptdevansh

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