Reservation.java

public class Reservation {
    private Room room;
    private Customer customer;
    private LocalDate checkInDate;
    private LocalDate checkOutDate;

    public Reservation(Room room, Customer customer, LocalDate checkInDate, LocalDate checkOutDate) {
        this.room = room;
        this.customer = customer;
        this.checkInDate = checkInDate;
        this.checkOutDate = checkOutDate;
    }

    public Room getRoom() {
        return room;
    }

    public Customer getCustomer() {
        return customer;
    }

    public LocalDate getCheckInDate() {
        return checkInDate;
    }

    public LocalDate getCheckOutDate() {
        return checkOutDate;
    }

    public double getTotalCost() {
        // Calculate the number of days in the reservation
        int numDays = (int) (checkOutDate.toEpochDay() - checkInDate.toEpochDay());
        // Calculate and return the total cost of the reservation
        return numDays * room.getPrice();
    }
}