static void Main(String[] arg) { Relative relative = new Relative(); relative.Hello(); relative.GutenTag(); relative.Goodbye(); relative.Aufwiedersehen(); }
static void Main(string[] args) { Relative relative = new Relative(); //relative. 是点不出来方法的 IMeeting sentences = new Relative(); sentences.Hello(); sentences.GutenTag(); IAway away = new Relative(); away.Goodbye(); away.Aufwiedersehen(); }