Class Diagram

Class Diagram examples that show you how to model the structure of system with a UML Class Diagram. A UML Class Diagram is a blueprint of the classes (code level) required to build a software system. Programmers implement a software system with the help of both the Class Diagram and the class specification.

A Star-Based LAN

This is a UML class diagram example that shows how a star based LAN can be modeled. Token-ring LANs form…

A Token-Ring Based LAN

This is a UML class diagram example that shows how a token ring based LAN network can be modeled. A…

Company Structure

This is a class diagram example that shows how company entities can be modeled. A company consists of departments. Departments…

Understanding Relationships

This is a simple UML class diagram example that shows the use of various UML relationships in a class diagram.…

File Output (Use of Generalization)

In this class diagram example, there is a number of output devices on which the display command should be able…

Telephone (Use of Association)

This is a UML class diagram example. The telephone set has a number of parts: ringer, answering machine, and caller…

Classes and Packages Constraints

This is a simple class diagram example that shows the use of constraints. Class or Package constraints may apply to…

Class in a Package (Airline)

This class diagram example describes the structural relationship of an airline information system. The Passenger and milesAccount Classes appear in…

Qualifier

This is a class diagram example that shows the use of qualifier. If an association attribute is unique within a…

Association Class and Self Association

This is a class diagram example that shows the use of association class. Some people have several jobs, but with…