C++基础教程素材7

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1、#includeclassA{public:voidf1();protected:intj1;private:inti1;};classB:publicA{public:voidf2();protected:intj2;private:inti2;};classC:publicB{public:voidf3();};#includeclassA{public:voidf(inti){cout<

2、;};voidmain(){Bd1;d1.f(6);d1.g();d1.h();}6h6gh#include#includeclassA{public:A(constchar*nm){strcpy(name,nm);}private:charname［80］;};classB:publicA{public:B(constchar*nm):A(nm){}voidPrintName()const;};voidB∷PrintName()const{cout<<″name:″<

3、);b1.PrintName();}cout<<″name:″<classA{public:A(){a=0;cout<<″A′sdefaultconstructorcalled.＼n″;}A(inti){a=i;cout<<″A′sconstructorcalled.＼n″;}~A(){cout<<″A′sdestructorcalled.＼n″;}voidPrint()const{cout<

4、ublic:B(){b=0;cout<<″B′sdefaultconstructorcalled.＼n″;}B(inti,intj,intk);~B(){cout<<″B′sdestructorcalled.＼n″;}voidPrint();private:intb;Aaa;};B∷B(inti,intj,intk):A(i),aa(j){b=k;cout<<″B′sconstructorcalled.＼n″;}voidB∷Print(){A∷Print();cout<

5、;bb［1］=B(3,4,7);for(inti=0;i<2;i++)bb［i］.Print();}A′sdefaultconstructorcalled.A′sdefaultconstructorcalled.B′sdefaultconstructorcalled.A′sdefaultconstructorcalled.A′sdefaultconstructorcalled.B′sdefaultconstructorcalled.A′sconstructorcalled.A′sconstructorcalled.B′sconstructorcalled.B′sdestructorc

6、alled.A′sdestructorcalled.A′sdestructorcalled.A′sconstructorcalled.A′sconstructorcalled.B′sconstructorcalled.B′sdestructorcalled.A′sdestructorcalled.A′sdestructorcalled.1,5,23,7,4B′sdestructorcalled.A′sdestructorcalled.A′sdestructorcalled.B′sdestructorcalled.A′sdestructorcalled.A′sdestructorcal

7、led.B(inti,intj,intk):A(i),aa(j){b=k;count<<″B′sconstructorcalled.＼n″;}B(inti,intj,intk):A(i),aa(j),b(k){cout<<″B′sconstructorcalled.＼n″;}#includeclassM{public:M(){m1=m2=0;}M(inti,intj){m1=i;m2=j;}voidprint(){cout<