My jar file won't load images

Question

I am currently writing a program that I need to send to a friend as a jar. The program has images that need to be loaded for the program to work properly and I want it all to be

Answer 1

Your URL will evaluate to "/./resources/tiles/tile.png" which does not make sense (but maybe the ClassLoader that is used when you run from NetBeans tolerates the error.)
Try dropping the initial "/./". Also you do not need the references to File.separator as the string is treated as a relative URL and the forward slash is always valid.