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I started to generate UML class diagrams from an existing Java project in Netbeans IDE, when I came across this symbol (see image).
What does it mean?
Thanks in advance
A circle at the end of a UML relationship most times shows Ownership. The entity at the dotted end us owned by the entity without the dot. In your example,
SynchronizationResultowns whatever entity hasinternalCOmmandReceiveddefined on it.Normally, these dots are shaded opaque. But seeing that this was generated using Netbeans, this may be their way of depicting the same thing.
EDIT:
I may have had those reversed. Under IBM’s explaination of the basics of UML, this symbol is used to show membership. If you scroll to the Packages aspect of the guide (Section 9), you will see the explanation
Hope this helps. And sorry for the mixup earlier.