Just committed a fairly large update which you can see/read here: https://github.com/mbolt35/javaray/commit/03ad54784c54975216b93174e19db7ee26fd9c0b
I did manage to fix the issue where reflections were showing up on all sides of a scene object:
Next, I’m going to be working on some new types of objects, lights, and externally loaded scenes.
Feel free to fork the project and contribute: https://github.com/mbolt35/javaray