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Diffference between Value Object & Transfer Object

Vishwa Kumba
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Joined: Aug 27, 2003
Posts: 1064
Is there a difference between a Value Object and a Transfer Object?

http://java.sun.com/blueprints/patterns/TransferObject.html
Pradeep bhatt
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Joined: Feb 27, 2002
Posts: 8898

I had asked the same to Deepak Alur. Here is his reply

When we first published the Value Object pattern in 2000, we were following the usage of that term in the J2EE community. Subsequently, we realized based on our discussion with leaders in the OO community, that the term Value Object holds a different meaning established years before its usage in J2EE.

The following URLs offer more description of the term Value Object:
http://c2.com/cgi/wiki?ValueObject
http://wiki.cs.uiuc.edu/cs497rej/Value+Object
http://www.martinfowler.com/eaaCatalog/valueObject.html
http://www.martinfowler.com/ap2/valueObject.html





Groovy
Vishwa Kumba
Ranch Hand

Joined: Aug 27, 2003
Posts: 1064
Thanks Pradeep.
Ilja Preuss
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Joined: Jul 11, 2001
Posts: 14112
See also http://faq.javaranch.com/view?DataTransferObject and http://faq.javaranch.com/view?ValueObject


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