#include<iostream.h> 
class CuriousTab
{
    static int x; 
    public:
    static void SetData(int xx)
    {
        this->x = xx; 
    }
    static void Display() 
    {
        cout<< x ;
    }
};
int CuriousTab::x = 0; 
int main()
{
    CuriousTab::SetData(22);
    CuriousTab::Display();
    return 0; 
}

#include<iostream.h> 
class India
{
    public:
    struct CuriousTab
    {
        int   x;
        float y;
        void Function(void)
        {
            y = x = (x = 4*4); 
            y = --y * y;
        }
        void Display()
        {
            cout<< y << endl;
        } 
    }B; 
}I; 
int main()
{
    I.B.Display(); 
    return 0;
}

#include<iostream.h>
#include<string.h> 
class CuriousTab
{
    int val; 
    public:
    void SetValue(char *str1, char *str2)
    {
        val = strcspn(str1, str2);
    }
    void ShowValue()
    {
        cout<< val;
    } 
};
int main() 
{
    CuriousTab objCuriousTab;
    objCuriousTab.SetValue((char*)"India", (char*)"CuriousTab"); 
    objCuriousTab.ShowValue(); 
    return 0; 
}

#include<iostream.h> 
class Point
{
    int x, y; 
    public:
    Point(int xx = 10, int yy = 20)
    {
        x = xx;
        y = yy; 
    }
    Point operator + (Point objPoint)
    {
        Point objTmp;
        objTmp.x = objPoint.x + this->x; 
        objTmp.y = objPoint.y + this->y;
        return objTmp;
    }
    void Display(void)
    {
        cout<< x << " " << y;
    }
};
int main()
{
    Point objP1;
    Point objP2(1, 2);
    Point objP3 = objP1 + objP2;
    objP3.Display(); 
    return 0; 
}

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