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.
Eclipse has a number of classpaths. There is the project classpath used to compile a project. There's also the runtime classpath for a standalone Java program and another runtime classpath if you are using an application server plugin. Do you know which classpath you are asking about.