### Question:
ObjFileLoader extends Applet { public void create () { setLayout(new BorderLayout()); final Canvas3D canvas3D = new Canvas3D(SimpleUniverse.getPreferredConfiguration()); add("Center",canvas3D); final SimpleUniverse simpleUniverse = new SimpleUniverse(canvas3D); simpleUniverse.getViewingPlatform().setNominalViewingTransform(); final BranchGroup branchGroup = createSceneGraph(); branchGroup.compile(); simpleUniverse.addBranchGraph(branchGroup); new MainFrame(this, 360, 360); } ObjFileLoader(final String objFile); void create(); DirectionalLight createLight(); Background createBackground(); String getObjFile(); void setObjFile(final String objFile);  }### Answer:
@Test public void test () { final ObjFileLoader objFileLoader = new ObjFileLoader("D:\\文档\\Obj文件\\布迪加双座敞篷跑车3D图纸.obj"); objFileLoader.create(); }