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I need to make some drawing to explain programming logic at the whiteboard.

I often need to manipulate collections of objects.

Which symbol can I use to visually show a collection ?

I wish to have an example for better understanding, because I was told to use aggregation/composition in UML style, but I don't really see it. For instance, if I want to represent a collection of Object ABC...

Phil
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Do you use an established symbology, or do you just ad hoc your drawings? Usually, I'd go for an entity-relationship diagram with a crow's-foot going from the collection entity to the contained objects, UML, or whatever the people I'm talking to understand. That last part is usually the key...!

Pontus Gagge
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  • Even if I agree, the most important is to be understood, I'm wondering if there are universal symbols for collection (as for a DB). Do you have an example of the representation you mention ? – Phil Feb 02 '11 at 16:38
  • Not even an arrow is a truly culture-independent symbol... Take a look at the WP links. – Pontus Gagge Feb 02 '11 at 16:51
  • Sure. I was asking for an example, coz in the WP I can't see a sample of collection representation, and I'm not sure to fully understand your suggestion. :) – Phil Feb 02 '11 at 17:21