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
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