#include
using namespace std;
class Base
{
public:
Base(void) { cout << "Base class constructor\n"; };
int data;
};
class Derived:public Base
{
public:
Derived(void): Base()
{ cout << "Derived class constructor\n"; };
};
int main(void)
{
Derived object;
object.data = 5;
cout << object.data << endl;
}