🚗 Vehicle Rental System

A Java-based Object-Oriented Vehicle Rental System that supports renting and returning various types of vehicles like Cars, Bikes, and Trucks. The project showcases the use of abstract classes, interfaces, inheritance, and encapsulation, and is designed with extensibility in mind. Final assessment of OOPs Prinicples course from learn.epam.com

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📌 Features

• Abstract base class Vehicle with polymorphic calculateRentalCost method.
• Interface Rentable defining contract for rentVehicle() and returnVehicle().
• Concrete vehicle types: Car, Bike, and Truck.
• Rental cost calculated per vehicle type and rental duration.
• Rental management through a RentalService class.
• Console-based interface via Main.java.

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🛠 Technologies Used

• Java 8+
• OOP Principles (Abstraction, Inheritance, Interface, Polymorphism)
• No external libraries required.

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🧱 Class Structure

Vehicle (abstract)
├── Car
├── Bike
└── Truck

Interface
├── Rentable

Manager
├── RentalService

📂 Project Structure

Vehicle_Rental_System/
│
├── Vehicle.java
├── Car.java
├── Bike.java
├── Truck.java
├── Rentable.java
├── RentalService.java
└── Main.java

🚀 How to Run

1. Clone the repository

git clone https://github.com/alloy77/Vehicle_Rental_System.git
cd Vehicle_Rental_System

2. Compile the project

javac *.java

3. Run the program

java Main