I am synthesizing all the UML patterns -
Like Adaptor Pattern, Commander Pattern, Wrapper Pattern.
My question is what is preferred composition or aggregation. Also, why is it preferred so ?
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Aggregation is preferred, because aggregation means low couple。 – wshcdr Dec 09 '14 at 12:21
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It is impossible to prefer some of kind of association. Both, composition or aggregation are used in specific situations in model. I recommend you to read UML Specification. Find info about association end, association and property element. Here is UML web site
Vladimir
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