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  • How do you know it's use in this case? Commented Mar 24, 2013 at 16:31
  • @icepack well that is the definition of <<use>>. See the part I added to my answer from UML 2 and the Unified Process book. Commented Mar 24, 2013 at 17:07
  • Nothing in the question limits it to this type. It can be call or trace, for example Commented Mar 24, 2013 at 22:17
  • @icepack Absolutely not. Call and trace dependencies have totally different meanings. Read the UML specification: "The call relationship is defined and specified from one operation to another operation, so that the source element calls the target operation." "The trace relationship means that the dependent element leads to the independent to trace semantic dependencies (e.g., from a use case to a class)." Commented Mar 24, 2013 at 23:17
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    @icepack I think we are not on the same page here. "when one class has as a method parameter pointer to another class" is the title of the question. "An operation of class A needs a parameter of class B" clearly matches it. I don't know what you are talking about when suggesting trace or call which have obviously different meanings. Commented Mar 25, 2013 at 13:42