Hotel Management — Simple

Problem statement (interviewer prompt)

Design a hotel management system: rooms with categories + pricing, search by date range + occupancy, reservation with deposit, check-in / check-out, billing for stay + extras (mini-bar / room service), housekeeping status, and analytics for the operator.

classDiagram
  class Hotel
  class Room
  class Reservation
  class Guest
  class Payment
  Hotel "1" *-- "many" Room
  Guest "1" -- "many" Reservation
  Reservation --> Room
  Reservation --> Payment