Simple Inheritance

#include <iostream>
using namespace std;

class Device {
public:
    void printType() {
        cout << "Generic Device" << endl;
    }
};

// Sensor inherits publicly from Device
class Sensor : public Device {
public:
    void printSensor() {
        cout << "Sensor Device" << endl;
    }
};

int main() {
   Sensor s;
   s.printType();    // inherited method
   s.printSensor();  // derived method
   return 0;
}