C++ Programming - Functions - Discussion

#include<iostream.h>
#include<string.h> 
class BixString
{
    char x[50]; 
    char y[50]; 
    char z[50]; 
    public:
    BixString()
    { }
    BixString(char* xx)
    {
        strcpy(x, xx); 
        strcpy(y, xx);
    }
    BixString(char *xx, char *yy = " C++", char *zz = " Programming!")
    {
        strcpy(z, xx); 
        strcat(z, yy); 
        strcat(z, zz);
    } 
    void Display(void)
    {
    cout<< z << endl;
    } 
}; 
int main()
{
    BixString objStr("Learn", " Java");
    objStr.Display();
    return 0; 
}