VehicleTester.java

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


public class VehicleTester {
	public static void main(String[] args) {

		List<Vehicle> vehicles = new ArrayList<>();
		vehicles.add(new Car("Dodge", "Charger", 50, 4));
		vehicles.add(new Motorcycle("Harley-Davidson", "Street 750", 30, true));
		vehicles.add(new Truck("Jeep", "Gladiator", 100, 0.86));

		Scanner scanner = new Scanner(System.in);

		System.out.println("Available Vehicles for Rent:");
		for (int i = 0; i < vehicles.size(); i++) {
			System.out.printf("%d. %s%n", i + 1, vehicles.get(i));
			System.out.println();
		}

		System.out.print("Select a vehicle by number (1-" + vehicles.size() + "): ");
		int vehicleChoice = scanner.nextInt();

		if (vehicleChoice < 1 || vehicleChoice > vehicles.size()) {
			System.out.println("Error.. invalid choice.");
			return;
		}

		Vehicle selectedVehicle = vehicles.get(vehicleChoice - 1);

		System.out.print("Enter the number of the days you want to rent the vehicle: ");
		int rentalDays = scanner.nextInt();

		if (rentalDays <= 0) {
			System.out.println("Error.. Input a valid amount of days. ");
			return;
		}


		int totalCost = selectedVehicle.getrentalRate() * rentalDays;


		System.out.println("\nRental Summary:");
		System.out.println(selectedVehicle);
		System.out.printf("Number of Days: %d%n", rentalDays);
		System.out.printf("Total Cost: $%d%n", totalCost);

		scanner.close();
	}
}