Private Access

#include<iostream>
using namespace std;

class Sensor
{
private:
 int value;

public:
   void setValue(int v)
   {
       this->value =v;
       
   }

   int getValue()
   {
      return this->value;
   }
};

int main()

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