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Make Cade's class diagram

Joseph Zhou
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Joined: Aug 01, 2000
Posts: 129
In Make Cade's class diagram, there is an unidirectional association from Product to ProductCategories. if that is the case, how canwe make product search in the ProductCategories?
Ramon Gill
Ranch Hand

Joined: May 15, 2003
Posts: 344
Hi,
I think Product must contain a Product Category key, so the search can be done within Product.

Ray
Joseph Zhou
Ranch Hand

Joined: Aug 01, 2000
Posts: 129
Hi Ray,

Thanks a lot for your reply. I still not quite understand. usually, we search product(s) in categories, that means a category hold a set of product keys. if a product hold category keys, how can we make it useful?
Joseph Zhou
Ranch Hand

Joined: Aug 01, 2000
Posts: 129
Any comments?
 
It is sorta covered in the JavaRanch Style Guide.
 
subject: Make Cade's class diagram