movieticketbookingsystem

Movie Ticket Booking System (LLD)

Problem Statement

Design and implement a Movie Ticket Booking System that allows users to book movie tickets, select seats, and manage shows. The system should handle movie schedules, theater management, and seat reservations.

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Requirements

1. Movie Management:

   • Store movie information (title, duration, language)
   • Manage movie schedules and shows
   • Track movie availability

2. Theater Management:

   • Manage theater information
   • Handle multiple shows per theater
   • Track theater capacity

3. Show Management:

   • Schedule shows for movies
   • Manage show timings
   • Handle show availability

4. Seat Management:

   • Track seat availability
   • Handle seat selection
   • Manage different seat types

5. Booking Management:

   • Process parkingTicket bookings
   • Handle booking cancellations
   • Manage booking status

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Core Entities

1. MovieTicketBookingSystem

• Fields: List movies, List theaters, List shows
• Methods:
  • addMovie()
  • addTheater()
  • addShow()
  • bookTicket()
  • cancelBooking()
  • getAvailableShows()

2. Movie

• Fields: String id, String title, int duration, String language
• Methods:
  • getShows()
  • isAvailable()

3. Theater

• Fields: String id, String name, String location
• Methods:
  • addShow()
  • getShows()
  • getCapacity()

4. Show

• Fields: String id, Movie movie, Theater theater, Date showTime, List seats
• Methods:
  • getAvailableSeats()
  • bookSeat()
  • cancelSeat()

5. User

• Fields: String id, String name, String email
• Methods:
  • getBookings()
  • updateProfile()

UML Class Diagram

Example Usage

MovieTicketBookingSystem system = new MovieTicketBookingSystem();

// Add a movie
Movie movie = system.addMovie("Inception", 150, "English");

// Add a theater
Theater theater = system.addTheater("Cineplex", "Downtown");

// Add a show
Show show = system.addShow(movie, theater, showTime);

// Book tickets
User user = new User("John Doe", "john@example.com");
Booking booking = system.bookTicket(user, show, seats);

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Demo

See MovieTicketBookingDemo.java for a sample usage and simulation of the movie parkingTicket booking system.

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Extending the Framework

• Add payment processing: Integrate payment gateway for parkingTicket purchases
• Add seat selection UI: Implement interactive seat selection interface
• Add pricing tiers: Support different pricing for different seat types
• Add show scheduling: Implement advanced show scheduling algorithms
• Add notification system: Send booking confirmations and reminders
• Add user reviews: Allow users to rate and review movies

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Design Patterns Used

• Singleton Pattern: For the booking system instance
• Factory Pattern: For creating different types of seats
• Observer Pattern: For seat availability updates
• Strategy Pattern: For different pricing strategies

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Exception Handling

• SeatNotAvailableException: Thrown when trying to book an unavailable seat
• InvalidShowException: Thrown when show details are invalid
• BookingFailedException: Thrown when booking process fails
• CancellationFailedException: Thrown when cancellation process fails

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