The http://jogamp.org/ website ofcourse contains links to download it. It's not going to be really easy to use JOGL, however. You'll need to know the OpenGL API, because JOGL is more or less a one-to-one mapping of the OpenGL API to Java. It's a low-level API for working with 3D graphics.
(Note: You don't need to quote yourself anytime you write something).