c9-3.cpp

来自「谭浩强C程序设计习题答案」· C++ 代码 · 共 31 行

#include <iostream>
using namespace std;
class Box
 {public:
   Box();                  
   Box(int h,int w ,int len):height(h),width(w),length(len){}
   int volume();
  private:
   int height;
   int width;
   int length;
 };
Box::Box()                 
 {height=10;
  width=10;
  length=10;
 }

int Box::volume()
 {return(height*width*length);
 }
    
int main()
 {
  Box box1;                                    
  cout<<"The volume of box1 is "<<box1.volume()<<endl;
  Box box2(15,30,25);                          
  cout<<"The volume of box2 is "<<box2.volume()<<endl;
  return 0;
 }