134. Private Inheritance

#include <iostream>
using namespace std;

class Device {
public:
    void showType() {
        cout << "Generic Device\n";
    }
};
class Actuator : private Device
{
    public:
        void showActuator(void)
        {
            showType();
            printf("Actuator Device\n");
        }
};

int main() 
{
    Actuator a;
    a.showActuator();  // should print both lines
    return 0;
}