public static void main(String[] args){
        HelloNode app = new HelloNode();
        app.start();
    }
Sample 2 - How to use nodes as handles to manipulate objects in the scene.
You can rotate, translate, and scale objects by manipulating their parent nodes.
The Root Node is special: Only what is attached to the Root Node appears in the scene.
jme3-examples/src/main/java/jme3test/helloworld/HelloNode.java