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#include<iostream>
#include<cmath>
#include<iomanip>
using namespace std;
class BOX //class definition
{
public:
BOX (double, double, double, double, double, double); //contructor function
~BOX(); //destructr function
void set_size( double, double, double, double, double); // changes l,w,h,th, wt,color
double calc_area(); //for area
double calc_volume(); //for volume
//color of box
void print_report();
private:
double length;
double width;
double height;
double thickness;
double weight;
};
BOX::BOX (double l, double w, double h, double th, double wt){ //constuctor
length=l;
width=w;
height=h;
thickness=th;
weight=wt;
}
BOX::~BOX() //destuctor
{
cout << " Destroying contents of BOX object" << endl;
}
void BOX::set_size (double l, double w, double h, double th, double wt)
{
length=l;
width=w;
height=h;
thickness=th;
weight=wt;
cout << "Size has been reset to" << length << "x" << width << "x" << height
<< "Thickness = " << thickness << " Weight = " << weight << endl;
}
double BOX::calc_area()
{
return (2*(length*width)+2*(height*length)+2*(height*width))
}
double BOX::calc_volume()
{
return (length*width*height)
}
void BOX::print_report()
{
cout << "L x W x H = " << length << " x " << width << " x " << height << " , A = " << calc_volume() << " Area = " <<
calc_area() << "Thickness = " << thickness << "Weight = " << weight << endl;
}
int main()
{
cout.setf(ios::fixed, ios:: floatfield); // set up floating point capability
cout.setf(ios::showpoint); // set up floating point capability
cout << setprecision(2);
BOX Rob (7.5, 2.75, 1.8, 0.1, 33.5 );
cout << "For Box named Rob: " << endl;
Rob.print_report();
Rob.set_size(7.5,2.75, 0.75,0.1,33.5);
Rob.print_report();
cout << "Thanks and goodbye" << endl;
return 0;
}
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