1 public class OfficeBetter { 2  3     public static void main(String[] args) throws InstantiationException, IllegalAccessException { 4         try { 5             //动态加载类，在运行时刻加载 6             Class c =Class.forName(args[0]); 7             //通过类类型，创建该类对象 8             OfficeAble oa =(OfficeAble)c.newInstance(); 9             oa.start();10         } catch (ClassNotFoundException e) {11             e.printStackTrace();12         }13         14     } 
15 16 }