Skip to content

• Designing a Car Rental System using Java OOPs. I am implementing classes, methods, and encapsulation in the development of the project. • I have successfully developed and implemented a dynamic car rental system that includes features such as renting and returning cars via the console, adding new customers, maintaining customer records e.t.c

Notifications You must be signed in to change notification settings

chakrabortypritam1808/Car-Rental-System

Folders and files

NameName
Last commit message
Last commit date

Latest commit

 

History

2 Commits
 
 
 
 

Repository files navigation

import java.util.ArrayList; import java.util.List; import java.util.Scanner;

class Car { private String carId; private String brand; private String model; private double basePricePerDay; private boolean isAvailable;

public Car(String carId, String brand, String model, double basePricePerDay) {
    this.carId = carId;
    this.brand = brand;
    this.model = model;
    this.basePricePerDay = basePricePerDay;
    this.isAvailable = true;
}
public String getCarId() {
    return carId;
}

public String getBrand() {
    return brand;
}

public String getModel() {
    return model;
}

public double calculatePrice(int rentalDays) {
    return basePricePerDay * rentalDays;
}

public boolean isAvailable() {
    return isAvailable;
}

public void rent() {
    isAvailable = false;
}

public void returnCar() {
    isAvailable = true;
}

}

class Customer { private String customerId; private String name;

public Customer(String customerId, String name) {
    this.customerId = customerId;
    this.name = name;
}

public String getCustomerId() {
    return customerId;
}

public String getName() {
    return name;
}

}

class Rental { private Car car; private Customer customer; private int days;

public Rental(Car car, Customer customer, int days) {
    this.car = car;
    this.customer = customer;
    this.days = days;
}

public Car getCar() {
    return car;
}

public Customer getCustomer() {
    return customer;
}

public int getDays() {
    return days;
}

}

class CarRentalSystem { private List cars; private List customers; private List rentals;

public CarRentalSystem() {
    cars = new ArrayList<>();
    customers = new ArrayList<>();
    rentals = new ArrayList<>();
}

public void addCar(Car car) {
    cars.add(car);
}

public void addCustomer(Customer customer) {
    customers.add(customer);
}

public void rentCar(Car car, Customer customer, int days) {
    if (car.isAvailable()) {
        car.rent();
        rentals.add(new Rental(car, customer, days));

    } else {
        System.out.println("Car is not available for rent.");
    }
}

public void returnCar(Car car) {
    car.returnCar();
    Rental rentalToRemove = null;
    for (Rental rental : rentals) {
        if (rental.getCar() == car) {
            rentalToRemove = rental;
            break;
        }
    }
    if (rentalToRemove != null) {
        rentals.remove(rentalToRemove);

    } else {
        System.out.println("Car was not rented.");
    }
}

public void menu() {
    Scanner scanner = new Scanner(System.in);

    while (true) {
        System.out.println("===== Car Rental System =====");
        System.out.println("1. Rent a Car");
        System.out.println("2. Return a Car");
        System.out.println("3. Exit");
        System.out.print("Enter your choice: ");

        int choice = scanner.nextInt();
        scanner.nextLine(); // Consume newline

        if (choice == 1) {
            System.out.println("\n== Rent a Car ==\n");
            System.out.print("Enter your name: ");
            String customerName = scanner.nextLine();

            System.out.println("\nAvailable Cars:");
            for (Car car : cars) {
                if (car.isAvailable()) {
                    System.out.println(car.getCarId() + " - " + car.getBrand() + " " + car.getModel());
                }
            }

            System.out.print("\nEnter the car ID you want to rent: ");
            String carId = scanner.nextLine();

            System.out.print("Enter the number of days for rental: ");
            int rentalDays = scanner.nextInt();
            scanner.nextLine(); // Consume newline

            Customer newCustomer = new Customer("CUS" + (customers.size() + 1), customerName);
            addCustomer(newCustomer);

            Car selectedCar = null;
            for (Car car : cars) {
                if (car.getCarId().equals(carId) && car.isAvailable()) {
                    selectedCar = car;
                    break;
                }
            }

            if (selectedCar != null) {
                double totalPrice = selectedCar.calculatePrice(rentalDays);
                System.out.println("\n== Rental Information ==\n");
                System.out.println("Customer ID: " + newCustomer.getCustomerId());
                System.out.println("Customer Name: " + newCustomer.getName());
                System.out.println("Car: " + selectedCar.getBrand() + " " + selectedCar.getModel());
                System.out.println("Rental Days: " + rentalDays);
                System.out.printf("Total Price: $%.2f%n", totalPrice);

                System.out.print("\nConfirm rental (Y/N): ");
                String confirm = scanner.nextLine();

                if (confirm.equalsIgnoreCase("Y")) {
                    rentCar(selectedCar, newCustomer, rentalDays);
                    System.out.println("\nCar rented successfully.");
                } else {
                    System.out.println("\nRental canceled.");
                }
            } else {
                System.out.println("\nInvalid car selection or car not available for rent.");
            }
        } else if (choice == 2) {
            System.out.println("\n== Return a Car ==\n");
            System.out.print("Enter the car ID you want to return: ");
            String carId = scanner.nextLine();

            Car carToReturn = null;
            for (Car car : cars) {
                if (car.getCarId().equals(carId) && !car.isAvailable()) {
                    carToReturn = car;
                    break;
                }
            }

            if (carToReturn != null) {
                Customer customer = null;
                for (Rental rental : rentals) {
                    if (rental.getCar() == carToReturn) {
                        customer = rental.getCustomer();
                        break;
                    }
                }

                if (customer != null) {
                    returnCar(carToReturn);
                    System.out.println("Car returned successfully by " + customer.getName());
                } else {
                    System.out.println("Car was not rented or rental information is missing.");
                }
            } else {
                System.out.println("Invalid car ID or car is not rented.");
            }
        } else if (choice == 3) {
            break;
        } else {
            System.out.println("Invalid choice. Please enter a valid option.");
        }
    }

    System.out.println("\nThank you for using the Car Rental System!");
}

} public class Main{ public static void main(String[] args) { CarRentalSystem rentalSystem = new CarRentalSystem();

    Car car1 = new Car("C001", "Toyota", "Camry", 60.0); // Different base price per day for each car
    Car car2 = new Car("C002", "Honda", "Accord", 70.0);
    Car car3 = new Car("C003", "Mahindra", "Thar", 150.0);
    rentalSystem.addCar(car1);
    rentalSystem.addCar(car2);
    rentalSystem.addCar(car3);

    rentalSystem.menu();
}

}

About

• Designing a Car Rental System using Java OOPs. I am implementing classes, methods, and encapsulation in the development of the project. • I have successfully developed and implemented a dynamic car rental system that includes features such as renting and returning cars via the console, adding new customers, maintaining customer records e.t.c

Topics

Resources

Stars

Watchers

Forks

Releases

No releases published

Packages

No packages published