Jazz3D Lite is a 3D graphics API for Java. It is very powerful, and extremely easy to use. Features include: texture mapping, accurate collision detection, real-time image processing, bilinear filtering - the list goes on.
The Lite version of Jazz3D removes most of the object loaders and some of the more powerful rendering options. It also doesn't come on a CD with lots of free object models to get you started. However, it is half the price!!!