摘要: 一、今天主要谈一下关键字virtual :我们先来看以下继承:enum note {middleC, Csharp, Cflat};class Instrument{public: virtual void play(note) const { cout<<"Instrument::play"<<endl; } virtual char* what() const { return "Instrument"; } //Assume this will modify the object: virtual void adjust(i 阅读全文
posted @ 2013-05-20 20:17 wiessharling 阅读(304) 评论(0) 推荐(0)