问题描述:
程序如下:
class PhoneNumber
{ private:
string number;
public:
PhoneNumber(){ number=NULL;}
~PhoneNumber(){}
friend PhoneNumber opreator<<(ostream&output,PhoneNumber&P);
void InPutNumber();
};
void PhoneNumber::InPutNumber()
{ cin>>number;
}
PhoneNumber PhoneNumber::opreator<<(ostream&output,PhoneNumber&P)
{ output<<number;
return output;
}
int main()
{ PhoneNumber Phone_number;
cout<<"Please input the phone number:";
Phone_number.InPutNumber();
cout<<"The phone number is:"<<Phone_number;
}
问题解答:
哈哈,c++的东西干吗发到这里?!秀逗了?