Design a multi-theater ticket booking system where users search movies/showtimes, pick specific seats from a shared seat map, and complete a reservation with correctness under concurrent booking attempts.
Design a movie ticket booking system: users search movies and browse theaters/showtimes, pick specific seats from a shared seat map for a showtime, and book one or more seats in a single reservation. If two users attempt to book the same seat at the same time, exactly one must succeed. Users can also cancel a reservation.
Work in the provided coding workspace while explaining your decisions to the live interviewer. Validation may use inline tests, examples, comments, or a verbal walkthrough.
Practice this problem in the live coding workspace while the interviewer probes your clarification, implementation, trade-offs, and validation.
Continue to DashboardContinue preparing
Related Object-Oriented Design
Design a car rental domain model covering vehicle categories and vehicles, branches, customers and drivers, a rental date range, rate-based quotes, reservations, pickup rental agreements, and return inspection with extra charges — preventing overlapping rentals of the same vehicle.
Related Object-Oriented Design
Design a cricket scoring domain model covering teams and players, a match, innings, overs and deliveries, batting and bowling scorecards, extras and wickets, striker rotation, over completion, and match results for a configurable limited-overs format.
Related Object-Oriented Design
Design a system where users form groups, log shared expenses using pluggable splitting strategies (equal/exact/percentage), maintain pairwise balances, and settle debts.
Related Object-Oriented Design
Design a hotel domain model covering room types and rooms, guests, a half-open date-range value object, the reservation lifecycle, room assignment, check-in/out, and a charges folio, while preventing overlapping bookings on the same room.
