Not quite "pure"
Java, but likely of inetrest to people who visit this forum. Maybe ask some questions on how he sees JINI-like technology fit into the picture.
http://digitalmass.boston.com/interact/qanda/submit.html The technology has existed since World War II, but people still know very little about wireless networks and how they work. Submit your questions to industry expert David Krebs of VDC Corp. for an upcoming Q & A session.
--Mark