How to model an OR and an AND relationship

UML
1

Dear all,

How do I draw an OR as well as an AND relationship in UML in a class diagram? Is it best if I model it as an aggregation respectively composite of a class? or, how about if it the AND respectively OR classes were inherited classes of a subclass?

Thank you very much.
best regards,
George

2

Hi George,

Thanks for your post. You can draw a class with aggregations with two classes and draw a constraint between them. Detail steps can be referred in the flash movie at the following link. If there are any further inquiries, please feel free to contact me.

http://files4.visual-paradigm.com/200805/Lilian/movie/add_constraint_between_asso.htm

Best regards,
Lilian Wong

3

Hi Lilian

wow, this is absolutely great. Thank you very much. So, I can use it this way for both inheritance and composition in this way.

I have seen a couple of your great movies also from other posts. Do you have repository/index page to go through your great recommendations?

Have a great day,
best regards,
George

4

Thanks for your post. You can draw a class with aggregations with two classes and draw a constraint between them.

5

Hi George,

Thanks for replying. You can refer to the flash demos, which show you how to model with the features in our tool, in our website (http://www.visual-paradigm.com/product/vpuml/demos/). I believe that you can get more ideas with these flash movies.

If you have any specific questions, please feel free to contact me.

Best regards,
Lilian Wong