Creating an Association Class

Go Up to Class Diagram Procedures

You can add or delete association classes.

To create an association class

1. Open a class diagram.
2. On the class diagram Tool Palette, click Association Class.
3. Click the diagram background. This adds a regular class icon for the association class, connected with the diamond icon.
4. Create participant classes.
5. Using the association end button, connect the n-ary association with the participant classes.

Result: The source code of an association class contains appropriate tags for the association class itself and for each of the association end classes.

To delete an association class

1. On a class diagram, right-click an association end link, association class, or connector.
2. Choose Delete or Delete from View on the context menu.

Result: The whole association class construct is deleted from the diagram.

See Also

• Relationships Among Elements of Class Diagrams
• UML 2.0 Class Diagrams
• UML 1.5 Class Diagrams