at this page http://code.google.com/p/nativelibs4java/wiki/OpenCL there are two examples:
To run them, you need Java installed and driver with OpenCL support.
Both of them I can run on my computer with Nvidia 8600 GT video card. Apparently Nvidia provides drivers with OpenCL support.
Does AMD have drivers with OpenCL? And what other software do I have to install to make examples working on my Radeon HD 5750?