C++ Programming - Objects and Classes

#include<iostream.h> 
class IndiaBix
{
    static int count; 
    public:
    static void First(void)
    {
        count = 10;
    }
    static void Second(int x)
    {
        count = count + x; 
    }
    static void Display(void)
    {
        cout<< count << endl;
    } 
};
int IndiaBix::count = 0; 
int main()
{
    IndiaBix :: First();
    IndiaBix :: Second(5);
    IndiaBix :: Display();
    return 0; 
}

#include<iostream.h> 
class BixBase
{
    public:
        float x; 
}; 
class BixDerived : public BixBase
{
    public: 
        char ch; 
        void Process()
        {
            ch = (int)((x=12.0)/3.0);
        }
        void Display()
        {
            cout<< (int)ch;
        } 
}; 
int main()
{
    class BixDerived  *objDev = new BixDerived;
    objDev->Process();
    objDev->Display();
    return 0; 
}

#include<iostream.h>
#include<process.h> 
class IndiaBix
{
    static int x; 
    public:
    IndiaBix()
    {
        if(x == 1)
            exit(0); 
        else
            x++;
    }
    void Display()
    {
        cout<< x << " ";
    }
};
int IndiaBix::x = 0; 
int main()
{
    IndiaBix objBix1; 
    objBix1.Display(); 
    IndiaBix objBix2; 
    objBix2.Display(); 
    return 0; 
}

#include<iostream.h> 
class BixBase
{
    int x, y; 
    public:
    BixBase(int xx = 10, int yy = 10)
    {
        x = xx;
        y = yy;
    }
    void Show()
    {
        cout<< x * y << endl;
    }
};
class BixDerived
{
    private:
        BixBase objBase; 
    public:
    BixDerived(int xx, int yy) : objBase(xx, yy)
    {
        objBase.Show();
    }
};
int main()
{
    BixDerived objDev(10, 20);
    return 0; 
}

#include<iostream.h> 
class BixBase
{
    int x, y; 
    public:
    BixBase(int xx = 10, int yy = 10)
    {
        x = xx;
        y = yy;
    }
    void Show()
    {
        cout<< x * y << endl;
    }
};
class BixDerived : public BixBase
{
    private:
        BixBase objBase; 
    public:
    BixDerived(int xx, int yy) : BixBase(xx, yy)
    {
        objBase.Show();
    }
};
int main()
{
    BixDerived objDev(10, 20);
    return 0; 
}