developing 3d games

how to develop a 3D game with out using java3d api. show some use ful websites about 3d

You may want to take a look at Xith3D :
http://www.xith.org/

http://www.xith.org/images/stories/demos.png

as above Xith is very nice.

also if your interested you may also want to check out the OpenGL java bindings
such as http://www.lwjgl.org/ or https://jogl.dev.java.net/

I think you can also take a look at : http://www.jmonkeyengine.com/

And if you have to ask that kind of question, I would also recommend to take a look at http://games.dev.java.net/

And loo kat my FAQ,. (See the Sig)