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class diagram search

 
Greenhorn
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Hi,
i am new to this forum , I am preparing for part 2
Bit confused about how to show search for travel in class diagram. I am thinking to introduce the shopping cart concept as mark cade did, but confused, is search processor going to look for flights ?

Picked from one old forum, described as
Order--->lineitem--->product
Itinerary--->segment--->flight

https://coderanch.com/t/153473/java-Architect-SCEA/certification/Itinerary-segment

thanks
John
 
john takkle
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