Class Diagram for the Airline Management System

In the class diagram, we will first design and create the system’s classes, abstract classes, and interfaces. Then, we’ll identify the relationship between classes by all the requirements of the airline management system.

Components of an airline management system

In this section, we’ll define the classes for an airline management system. As mentioned earlier, we will design the system using a bottom-up approach. First, we will create the classes of small components. Next, we will integrate these components and create the class diagram for the entire system.

Account

The Account class identifies the username and ID of an airline management system user. The class definition is represented below: