public class Demo2 {
public static void main(String[] args) {
Office o = new Office();
Word w = new Word();
System.out.println(w.getClass().getName());//獲取類名
o.load(w.getClass().getName());
Excel e = new Excel();
o.load(e.getClass().getName());
}
}
public class Office {
public void load(String cl){
try {
//動態(tài)加載類，在運行時加載
Class c = Class.forName(cl);
//通過類類型，創(chuàng)建該類的對象
OfficeAble oa = (OfficeAble)c.newInstance();
oa.start();
} catch (Exception e) {
e.printStackTrace();
}
}
}
