Private Access

#include <iostream>
using namespace std;

class Sensor {
private:
   // your code here: declare private int value
   int val;
public:
   // your code here: implement setValue and getValue
   void setValue(int v)
   {
      this->val = v;
   }

   int getValue(void)
   {
      return this->val;
   }
};

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