final PhongMaterial redMaterial = new PhongMaterial();
       redMaterial.setSpecularColor(Color.ORANGE);
       redMaterial.setDiffuseColor(Color.RED);
 
       final PhongMaterial blueMaterial = new PhongMaterial();
       blueMaterial.setDiffuseColor(Color.BLUE);
       blueMaterial.setSpecularColor(Color.LIGHTBLUE);

       final PhongMaterial greyMaterial = new PhongMaterial();
       greyMaterial.setDiffuseColor(Color.DARKGREY);
       greyMaterial.setSpecularColor(Color.GREY);

       final Box red = new Box(400, 400, 400);
       red.setMaterial(redMaterial);
 
       final Sphere blue = new Sphere(200);
       blue.setMaterial(blueMaterial);
 
       final Cylinder grey = new Cylinder(5, 100);
       grey.setMaterial(greyMaterial);