我正在尝试使用Luaj+java构建一个Controller。我有以下java类publicclassDuck{publicvoidtalk(){System.out.println("Duckquacks!");}publicvoidwalk(){System.out.println("Duckwalks!");}}publicclassPerson{publicvoidtalk(){System.out.println("Persontalks!");}publicvoidwalk(){System.out.println("Personwalks!");}}以及Controlle