Help me in my graduation project

Hi,

i am new in the graphics field. i will do a graduation project in Virtaul reality field .
so i need ur help to determine which language i could use
1- openGl Under Java //as i don’t c++ good.
2-java 3d.
3-opengl and java3d.
4- other like DirectX.

i have devices like glass , glove and mouse.
i want to download ready application by openGl and java3d to try it on Head-Mounted Display (HMD)
if any one know a site to help me it will be so nice from him.
plz if one has useful information or links plz tell me.

thanks
KingLion

you could use Java 3D api, it is api
based on OpenGL
please visit http://java.sun.com/products/java-media/3D/