Private Access

#include <iostream>
using namespace std;

class Sensor {
private:
   int value; // declare private int value
   public:
      void setValue(int v) { // setter function
            value = v;
               }

                  int getValue() { // getter function
                        return value;
                           }
                           };

                           int main() {
                              Sensor s;
                                 s.setValue(75);
                                    cout << "Sensor value: " << s.getValue();
                                       return 0;
                                       }