CBox.cpp

/**
 * @author Amin Ullah Khan
 * @copyright Amin Ullah Khan 2013
 * @licence MIT, GPL, LGPL
 */
#include <iostream>

using namespace std;

class CBox {
public:
       double _width, _height, _breadth;
       
       void setWidth(double width);
       void setHeight(double height);
       void setBreadth(double breadth);
       double getVolumn();
};

double CBox::getVolumn()
{
    return _width * _height * _breadth;                 
}

void CBox::setWidth(double width) {
     _width = width;
}

void CBox::setHeight(double height)
{
     _height = height;
}

void CBox::setBreadth(double breadth)
{
     _breadth = breadth;
}


int main()
{
  // Create two objects.   
    CBox box1, box2;
    
    // Set properties of the first object.
    box1.setBreadth(10);
    box1.setHeight(20);
    box1.setWidth(23);
    
    // declare and init and variable called volumn that will store the volumn of the first object.
    double volumn = box1.getVolumn();
    
    // print the value on the screen.
    cout << volumn << endl;
    
    // Setting properties for the second object.
    box2.setBreadth(20);
    box2.setHeight(60);
    box2.setWidth(70);
    
    // store the volumn
    double volumn2 = box2.getVolumn();
    
    // print the volumn
    cout << volumn2 << endl;
    
    system("pause");
    return 0; 
}