[問題] constructor的問題
遇到的問題： (題意請描述清楚)
Cell_Phone::Cell_Phone(7);
//為何不會影響Cell_Phone_Pay內容? 7寫到哪裡去了?
希望得到的正確結果：
7
程式跑出來的錯誤結果：
4
開發平台： (例: VC++ or gcc/g++ or Dev-C++, Windows or Linux)
VC++
有問題的code： (請善用置底文標色功能)
#include <iostream>
using namespace std;
class Cell_Phone
{
public:
Cell_Phone(int cost){Cell_Phone_Pay=cost;}
void set_data(int cost){Cell_Phone_Pay=cost;}
void show_Pay(){cout<< "手機話費NT:"<<Cell_Phone_Pay << endl;}
int Cell_Phone_Pay;
};
class Pay:public Cell_Phone
{
public:
Pay(int x):Cell_Phone(x){
// this->Cell_Phone::Cell_Phone(5);//ok
// this->Cell_Phone::Cell_Phone(6);//ok
Cell_Phone::Cell_Phone(7);
//為何不會影響Cell_Phone_Pay內容? 7寫到哪裡去了?
// Cell_Phone::set_data(8);//ok
}
};
void main(void)
{
Pay Obj(4);
Obj.show_Pay();
}
補充說明：
板上很多利害人物, 如果問題太蠢, 會盡快自刪.
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※ 編輯: pttone 來自: 140.113.209.4 (06/17 05:00)
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