LED Class

#include <iostream>
using namespace std;

class LED {
public:
   void turnOn();
   void turnOff();
};

void LED::turnOn() {
   printf("LED ON\n");
}

void LED::turnOff() {
   printf("LED OFF");
}

int main() {
   LED led;
   led.turnOn();
   led.turnOff();
   return 0;
}