This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
What type of problem are you having running a Java class? is it a problem with Eclipse? Are you able to run it without Eclipse? There are many good books on Eclipse- I've used Ecilpse Distilled by D. Carlsen. You can read some of it web here