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Posted by missmallikashah on 06-29-2006 08:15 PM:

association role name..

hello friends ,
there is a question..

Which statements are true about Class Diagrams?

1.From the conceptual perspective, associations represent conceptual relationships between classes
2.Naming role is optional. If missing, it is named after the source class
3.Multiplicities are normally 0, 1, *. It does not support for a range number e.g. 2-4
4.Within the specification perspective, associations represent methods.
5.From the conceptual perspective, associations have no arrow heads meaning that they are non-directional
6.From specification perspective, association lines with arrows indicate navigability. The source class has responsibility of 'knowing' the target class but not the other way round.

This question has 2 correct answers.


answers-1,6

myQuestion-whats wrong with 2 ???
isint naming role optional??

thanks,
mallika


Posted by amjoesph on 07-26-2006 07:36 PM:

As per fowler,

Each association has two association ends. Association ends are by default role name..

so option 2 is false.


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