Re: ��ڳ��

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#22047

From: ��
Date: Sat, 01 Nov 2003 02:39

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new����Extension
Extension��override��saywords()
���Ե��õ�ʱ�򲻹���û��upcast��ֻ�����
Extension�İ汾

 
�� �� tutufool.bbs@bbs.sjtu.edu.cn (fool) �Ĵ������ᵽ: ��
: class Base {
: public void saywords()
: {
: System.out.println("I am father");
: }
: }
: class Extension extends Base {
: public void saywords()
: {
: >>  .................<����ʡ��>............


--
[m[1;34m�� ��Դ:���㽭��ѧ���ɰٴ�վ bbs.zju.edu.cn��[FROM: flair][m

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From: flair.bbs@bbs.zju.edu.cn (��)
Newsgroups: cn.bbs.comp.lang.java
Subject: Re: ���ڳ���
Date: 01 Nov 2003 02:39:04 GMT
Organization: �㽭��ѧ���ɰٴ�
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