How about Oberon system?

Anybody here had used ETH oberon?Http://,
especially Bluebottle java vm.

This is another Object-Oriented os without c language.Can anyone give your comment about this OS?

A member of JNode team in jaos team ?

If you follow this link (JVM for bluebottle), you can see that Patrik reali (someone of our team or with the same name?) has created this diagram.