Jrebel is the greatest tool in the world

thank you jrebel
thank you jrebel
thank you jrebel

watch the video
http://www.zeroturnaround.com/blog/video-do-you-really-get-class-loaders-a-jazoon-talk-by-jevgeni-kabanov/

use the tricks
1)
String classname= getClass().getName().replace('.', '/')+".class";
URL resource= getClass().getClassLoader().getResource(classname);
2)
-verbose:class
3)
javap -private Myclass