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C++ virtual笔试
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?一直在趕場，下面是出了N次的題...?
當基礎看了
#include?<iostream>?using?namespace?std;??namespace?Torxie?{??????????class?CFirst?????{?????????public:?????????????void?func()?????????????{?????????????????cout<<?"CFirst"<<endl;?????????????????func2();?????????????}?????????????virtual?void?func2()?????????????{?????????????????cout<<"CFirst?2"<<endl;??????????????}?????};??????????class?CSecond?:?public?CFirst?????{?????????public:?????????????void?func()?????????????{?????????????????cout<<"CSecond"<<endl;?????????????}?????????????virtual?void?func2()?????????????{?????????????????cout<<"CSecond?2"<<endl;?????????????}?????};??????????class?CA?????{?????????public:?????????????void?func();?????????????private:?????????????int?m;???????????};?????void?CA::func()?????{?????????cout<<"A"<<endl;?????????}??????????class?CB?????{?????????public:?????????void?func();?????????????private:?????????int?m;?????};?????void?CB::func()?????{?????????cout<<"B"<<endl;?????????}?}??int?main(int?argc,?char?*argv[])?{?????using?namespace?Torxie;??????CFirst?*pFirst?=?new?CSecond;?????pFirst->func();? // ????cout<<"-------------------------"<<endl;?????CA?*pCA?=?(CA*)new?CB();??????pCA->func();?????return?0;?}?
CFirst
CSecond 2
-------------------------
A
請按任意鍵繼續. . .
轉載于:https://blog.51cto.com/tuoxie174/686421
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