This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
That's tough. I believe there are commercial tools available that help in this, but they don't (and probably can't) do a perfect job - lots of manual rework is required.
The easiest way to put the app on the web is probably to change it from a standalone application to an applet or a Java Web Start application. Or does it have to be a proper web app based on HTML? [ June 03, 2008: Message edited by: Ulf Dittmer ]