Background: I have a MainTest class that has many buttons, each of which instantiate a class that I am coding/testing. I want the code/test cycle for these classes to be
Sounds a little scary, but this should help.
http://download.oracle.com/javase/1.4.2/docs/api/java/lang/ClassLoader.html
ClassLoader can dynamically load classes at runtime, I would read the api to determine if loading it again overrides the previous version.