Hotel, Room, Booking classes in LLD - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main responsibility of the Hotel class in a hotel booking system?

The Hotel class manages hotel details like name, location, and a list of rooms it contains. It acts as a container for rooms and provides methods to add or find rooms.

beginner

What attributes are typically included in the Room class?

The Room class usually includes attributes like room number, type (single, double, suite), price, and availability status.

intermediate

How does the Booking class relate to Hotel and Room classes?

The Booking class represents a reservation and links a customer to a specific Room in a Hotel for a date range. It manages booking details like check-in and check-out dates.

intermediate

Why is it important to check room availability before creating a Booking?

Checking room availability prevents double-booking the same room for overlapping dates, ensuring a reliable and consistent booking system.

advanced

What design principle helps keep Hotel, Room, and Booking classes organized and maintainable?

Single Responsibility Principle: each class should have one clear responsibility, making the system easier to understand and modify.

Which class should store the price of a hotel room?

A Hotel

B Booking

C Room

D Customer

The Room class holds details specific to each room, including its price.

What does the Booking class primarily represent?

A A hotel location

B A reservation for a room

C A list of rooms

D A room's features

Booking represents a reservation linking a customer to a room for specific dates.

Which method is essential in the Hotel class to support booking?

A CancelBooking()

B CalculateRevenue()

C AddRoom()

D CheckRoomAvailability()

Checking room availability is crucial before making a booking.

Why should the Booking class include check-in and check-out dates?

A To determine booking duration

B To calculate room size

C To assign room numbers

D To store hotel location

Check-in and check-out dates define the length of the reservation.

Which design principle suggests each class should have one responsibility?

A Single Responsibility Principle

B Open/Closed Principle

C Liskov Substitution Principle

D Dependency Inversion Principle

Single Responsibility Principle states that a class should have only one reason to change.

Explain how Hotel, Room, and Booking classes interact in a hotel booking system.

Think about who owns what and how bookings are made.

Describe the key attributes and methods you would include in the Room class.

Focus on what defines a room and how it can be managed.