在自定義異常里面,在有參的構(gòu)造方法中會有這么一句super(message);舉個例子,public class NoexistException extends Exception { public NoexistException () {}; public NoexistException (String message) {?????????????????????super(message); }}我發(fā)現(xiàn),我去掉super(message);程序運行的結(jié)果沒什么不一樣啊。public static void warn() throws NoexistException {? throw new NoexistException("圖書不存在!"); }?求大神解答
自定義異常里的super(message);什么意思?
遠(yuǎn)大的理想
2017-02-24 15:07:10