Well, I hate to disagree, but I'm going to have to. I still don't
understand why one would use an OO language but not an OO storage system.
Try PSE from http://www.objectdesign.com/. PSE is free for
development, while PSEPro is like $99. The difference is that the Pro
gives you OQL,
JDBM : JDBM aims to be a gdbm-style persistence library for Java. It
offers a simple interface based on java.util.Hashtable, simple
semantics, transactions, and comes as a small jar.
http://jdbm.sourceforge.net
Or you could setup a postgresql 7 server and connect to it using JDBC
