1==   private:   int x;           protected :    int z;

#include <iostream>
using namespace std;

class test
{
private:      int x;
public :       int y;
protected :    int z;
};

int main(   )
{ 
 test t;
cout << t.x<<endl;
cout << t.y<<endl;
cout << t.z<<endl; 
}