Have you ever been working on some java code, when all of the sudden it appears that the app is NOT doing what you expect and the code clearly does something different than the compiled app? You probably have an old version of the compiled class lurking somewhere in your classpath! Check out this new tutorial that puts the power back in your hands when it comes to sniffing out that sneaky class: http://OFFLINEZIP.wpsho/tutorials/how-to-determine-where-a-java-class-is-being-loaded-from/