Protected Access

#include <iostream>
using namespace std;

class BaseDevice {
protected:
int id;
    

};

class DerivedDevice : public BaseDevice {
public:
void setId(int v)
{
      id=v;
}
void printId()
{
   cout<<"Device ID: "<<id;
}

   

};

int main() {
   DerivedDevice d;
   d.setId(101);
   d.printId();
   return 0;
}