reference implementation of the Java/OpenGL binding is hosted on java.net as the JOGL project. This article will get you up and running with JOGL by describing:
How to download and provision the JOGL library files.
How to create a JOGL-powered AWT component that’s wired up to receive and respond to events such as size changes and repaint requests.
How to do 2D graphics in JOGL with simple graphic primitives and images.