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Editorial Team
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Asked: 2026-05-19T12:20:30+00:00

Hi: I have a question about how to design and map object class in

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Hi:
I have a question about how to design and map object class in java with database(sql).

For example, if I have Customer and Order Class which match with Customer and Order Table in database. If I need the Customer and Order information separately, I simply use SQL query to fetch the information from database table and put them into List and List, and display in front end application.
What if I need to display to display both Customer and Order information at the same time?
How do put both Customer and Order object in one single arraylist?

If anyone can help me answering this question in either jsp or asp.net, i will be appreciated.

Thanks

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1 Answer

  1. Editorial Team

    One possible approach is to construct a transfer object which includes the necessary information from both objects, and put the TO into a list.

    Check http://java.sun.com/blueprints/corej2eepatterns/Patterns/TransferObject.html and http://en.wikipedia.org/wiki/Data_transfer_object for more information on this pattern.

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