带参数的构造函数 

 1 #include <iostream>
 2 
 3 /* run this program using the console pauser or add your own getch, system("pause") or input loop */
 4 using namespace std;
 5 class Box
 6 {
 7     public:
 8         Box(int,int,int);
 9         int volume();
10     private:
11         int height;
12         int width;
13         int length;
14 };
15 
16 Box::Box(int h,int w,int len)
17 {
18     height=h;
19     width=w;
20     length=len;
21 }
22 
23 int Box::volume()
24 {
25     return(height*width*length);
26 }
27 
28 int main(int argc, char** argv) {
29     Box box1(12,25,30);
30     cout<<"The volume of box1 is "<<box1.volume()<<endl;
31     Box box2(15,30,21);
32     cout<<"The volume of box2 is "<<box2.volume()<<endl;
33     return 0;
34 }

 

posted @ 2018-08-01 16:12  Borter  阅读(652)  评论(0)    收藏  举报