does 3d map is created with arrays? like 2 dimensional or 3 and what kind of informating i need to put it in?
like textures , height , maybe models on specific tile or something like that?
how?
You can find information about terrain in the wiki:
http://www.jmonkeyengine.com/wiki/doku.php/starter:hello_terrain
Edit: Lol, sorry, I just saw that I already answered to a post of yours with that link… I never understand what you want somehow 