How to implement namespace in C++
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In this tutorial we will show you how to implement namespace in C++. After viewing the video tutorial, download the source code and try to modify the code so as to get a feel of what is learned in this video tutorial.
 



Program
#include<iostream.h>
#include<stdlib.h>
#include<conio.h>

namespace Classes
{
    class Sample
    {
    private:
        int I_length,I_breadth;
    public:
        Sample(int I_dummy1,int I_dummy2)
        {
        I_length=I_dummy1;
        I_breadth=I_dummy2;
        }
        void Display()
        {
            int I_area;
            I_area=I_length*I_breadth;
            cout<<" Area of Rectangle="<<I_area<<" cmsq. ";
        }
    };
};
int main()
{
    cout<<" Calling using scope resolution operator...";
    Classes::Sample obj1(8,3);
    obj1.Display();
    cout<<" Calling using 'using' directive...";
    using namespace Classes;
    Sample obj2(5,9);
    obj2.Display();
    getch();
    return 0;
}




Source Code


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