设计出一个自己的接口程序 , 要求先设计一个 moveable 可移动接口 , 然后分别设计 3 个类 , 即汽车 Car 、轮船 Ship 、飞机 Aircraft 来实现该接口 , 最后设计一个应用程序来使用它们。-To design its own interface program, requested to design a moveable mobile interface, and then were designed for three categories, namely auto Car, Ferry Ship, aircraft Aircraft to implement this interface, the final design of an application to use them.