C++ Programming - Objects and Classes - Discussion

#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; 
}