Class Diagram for the Hotel Management System

Here, we are going to create the class diagram for our system based on the requirements that we gathered in one of the previous lessons. In the class diagram, we will first design and create the classes, abstract classes, and interfaces for the system, and then we’ll identify the relationship between classes in accordance with all the requirements of the hotel management system.

Components of a hotel management system

In this section, we’ll define the classes for a hotel management system. Since we are following the bottom-up approach to designing a class diagram, we will first create the classes of small components. Next, we will integrate these components and create the class diagram for the hotel management system.

Address and Account

The Address class is required to store any address. It is a custom data type with attributes like a street address, city, etc. In the hotel management system, this class will be used to specify the addresses of the users and the hotel.

Account is a class used to store the user’s account information. This class has three members, i.e., account ID, password, and account status. The class representation of Address and Account classes is as follows: