BookMyShow Low Level System design

import java.util.Date;
import java.util.List;

class User {
    private int userID;
    private String name;
    private String email;
    private String password;
    private String phoneNumber;

    public boolean login(String email, String password) {
        // Implementation of login functionality
        return false;
    }

    public boolean register(String name, String email, String password, String phoneNumber) {
        // Implementation of user registration functionality
        return false;
    }

    public boolean updateProfile(int userID, String name, String email, String password, String phoneNumber) {
        // Implementation of profile update functionality
        return false;
    }
}

class Movie {
    private int movieID;
    private String title;
    private String description;
    private String genre;
    private int duration;
    private Date releaseDate;
    private String language;
    private double rating;
    private List<String> cast;
    private String director;
    private String posterImage;

    public List<Movie> searchMovies(String keyword) {
        // Implementation of movie search functionality
        return null;
    }
}

class Theater {
    private int theaterID;
    private String name;
    private String location;
    private String address;
    private String contactInfo;
    private List<Screen> screens;

    public List<Theater> searchTheaters(String location) {
        // Implementation of theater search functionality
        return null;
    }
}

class Screen {
    private int screenID;
    private int capacity;
    private Showtime currentShowtime;

    public void setScreening(Showtime showtime) {
        // Set screening for this screen
    }

    public void removeScreening() {
        // Remove screening from this screen
    }
}

class Show {
    private int showID;
    private Movie movie;
    private Theater theater;
    private Screen screen;
    private Date dateTime;
    private 
    private int availableSeats;

    public boolean bookTickets(int userID, int showID, int numberOfSeats){          
        // Implementation of ticket booking functionality
        return false;
    }

    public boolean cancelBooking(int userID, int showtimeID) {
        // Implementation of booking cancellation functionality
        return false;
    }
}

class Booking {
    private int bookingID;
    private User user;
    private Showtime showtime;
    private int numberOfSeats;
    private double totalPrice;
    private Date bookingDateTime;
}

class Seat {
     private int seatId;
     private int showId;
     private String seatNumber;
     private boolean isBooked;
     private double price;
     private int version //. to handle concurrent booking request

    public synchronized boolean bookSeat(){       
        // Implementation of ticket booking functionality
        return isBooked = true;
    }

    public synchronized boolean cancelSeat() {
        // Implementation of booking cancellation functionality
        return isBooked = false;
    }
}