Actually, the really nice thing about Retrotranslator (as opposed to Retroweaver) is that it does support quite a few of the new Java 1.5 APIs. java.util.concurrent and StringBuilder are both supported.
Interesting - does it make use of the concurrent-backport and map the bytecode over?
--
i like my video games - mamma said they are gonna melt my brains
i like my video games - i don't care what daddy said; they're my reality
- henning pauly