This answer also applies to the low level datastore and Objectify. I can
only assume JPA works the same way.
On Mar 12, 2012 7:40 AM, "andrew" <andrew.macken...@bcntouch.com> wrote:

> Nulls (Java), if the object can have null as a value. E.g. Integer can be
> null, int cannot.
>
> I think this is explained in GAE/JDO documentation.
>
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