对象数组

#include<iostream>

using namespace std;

class Box

{

public:

Box(int h=10,int w=12,int len=15):height(h),width(w),length(len) {}

int volume();

private:

int height;

int width;

int length;

};

int Box::volume()

{

return(height*width*length);

}

int main()

{

Box a[3]={Box(10,12,15),Box(15,18,20),Box(16,20,26)};

cout<<"volume of a[0] is "<<a[0].volume() <<endl;

cout<<"volume of a[1] is "<<a[1].volume()<<endl;

cout<<"volume of a[2] is "<<a[2].volume()<<endl;

return 0;

}