JMonkey engine is a game engine made for developers who want to create 3D games following modern technology standards. The framework is programmed entirely in Java aimed at wide accessibility and quick deployment to desktop, web, and mobile platforms. J monkey is for Java code programmer to make 3D game foundation. It is the starting point for any aspiring 3D games developer
So if you are into java programming you can try this. They also provide a simple tutorial in their website