#include<iostream> using namespace std; class Box { public: Box(); Box(double lengthvalue,double breadthvalue,double heightvalue); double volume()const; int comparevolume(const Box& otherbox)const; int getobjectcount()const {return objectcount;} private: static int objectcount; double length; double breadth; double height; }; Box::Box() {     cout<<endl<<"Default constructor called"<<endl;     ++objectcount;     length=breadth=height=1; } Box::Box(double lengthvalue,double breadthvalue,double heightvalue):length(lengthvalue), breadth(breadthvalue),height(heightvalue) {     cout<<endl         <<"constructor called"         <<endl;     ++objectcount;     if(length<=0)         length=1.0;     if(breadth<=1.0)         breadth=1.0;     if(height<=0)         height=1.0; } double Box::volume()const {     return length*breadth*height; } int Box::comparevolume(const Box& otherbox)const {     if(this->volume()<otherbox.volume())         return 1;     else         return 0; } int Box::objectcount=0; int main() {     cout<<endl;     Box firstbox(17.0,11.0,5.0);     cout<<"object count is:"<<firstbox.getobjectcount()<<endl;     Box boxes[5];     cout<<"objects count is:"<<firstbox.getobjectcount()<<endl;     cout<<"volume of the first box="<<firstbox.volume()<<endl;     const int count=sizeof boxes/sizeof boxes[0];     cout<<"The boxes array has "<<count<<"elements."<<endl;     cout<<"Each element occupies"<<sizeof boxes[0]<<"bytes."         <<endl;     for(int i=0;i<count;i++)         cout<<"volume of boxes["<<i<<"]="<<boxes[i].volume()         <<endl;     return 0; }

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