在Java应用程序中处理版本号的好方法是什么？

I am developing a desktop app using Java and Swing Application Framework. I have an application about box and I'd like to have that box contain some indication of what version is being tested. My preference is for that value to be changed in an automated fashion. I'm using CruiseControl to build the application triggered off the commits to SVN. I am developing a desktop app using Java and Sw