How to depict “class uses class” relationship via UML

StackOverflow https://stackoverflow.com/questions/8115418

  •  28-02-2021
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Question

Case A Say you have 2 classes Model and Settings.

Settings contains nothing but public static constants used throughout the application. What type of relationship would you say these 2 classes have?

Case B Say you have a IntersectionManager singleton class that is being used by classes Road and Car to get some data out of it.

What is the name of "class uses class" relationship in UML?

Would you use the same relationships for both case A and case B? What UML arrow would you use to demonstrate this relationship?

Was it helpful?

Solution

The regular black & solid association line in both cases. Optionally with arrows on either or both ends to illustrate the direction of usage.

OTHER TIPS

Well, you could use the "uses" relationship (dotted or dashed line, open arrow). I found a nice and helpful overview at http://usna86-techbits.blogspot.de/2012/11/uml-class-diagram-relationships.html.

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