sample code for 3d games!

would you sent me some links that has some code for 3d games ??also is there special kind of library for coding such a game (I use java language 开发者_StackOverflowand netbeans environment)thanks

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These will get you started:

3D game engine - http://www.jmonkeyengine.com/

Discussion forum about Java game development - http://www.javagaming.org/