// Program to illustrate constant object example
#include<iostream.h>
class sample
{
     public:
          int a;
          sample()
          {
          }
          void func()
          {
          }
}
;
int main()
{
     const sample obj;
     obj.a=23; // error cannot modify a const object
     cout<<"\n"<<obj.a;
     obj.func(); // error non-const member function called on a const object
     return 0;
}