A-family-of-3.zip_T5U_family_一个三口之家

#include <iostream.h> #include <typeinfo.h> class Father{ friend class Mother; public: Father(){ cout << "father is created.\n "; } void DoWork(){ DriveACar(); } void DoMannulWork(){ RepairTV(); } void DriveACar() { cout <<"Drive a car.\n "; } protected: void RepairTV() { cout <<"Repair a TV set.\n "; } }; class Mother{ public: Mother(){ cout << "mother is created.\n "; } void SingASong() { cout << "Sing a song.\n "; } void DoWork(){ SingASong(); } //正式工 void DoMannulWork() { cout << "Do mannul work.\n "; } //小工 }; class Boy: public Father, public Mother{ public: Boy(){ cout << "boy is created.\n "; } void DriveACar() { cout << "boy: "; Father::DriveACar(); } void RepairTV(){ cout << "boy:"; Father::RepairTV(); } void SingASong(){ cout << "boy:"; Mother::SingASong(); } void PlayPingPong(){ cout << "boy:Play pingpong.\n "; }; }; void main() { Father father; Mother mother; Boy boy; cout << "father:"; father.DoWork(); cout << "mother:"; mother.DoWork(); cout << "mother:"; mother.DoMannulWork(); boy.PlayPingPong(); cout << "father come back! "<< endl; boy.DriveACar(); boy.SingASong(); cout << "father: "; father.DoMannulWork(); boy.RepairTV(); }