#include "Sample.h"
      
               main() {   
                Sample s1 ;
                Sample s2 ;

                s1.setClassValue(20);  
                s1.setObjectValue(25);
                s1.printClassValue();   // prints 20
                s2.printClassValue();   // prints also 20
                s1.printObjectValue();          // prints 25
                s2.printObjectValue();          // prints 10

                s1.setClassValue(15);
                s2.printClassValue();           // prints 15
                s1.printClassValue();           // prints also 15 
      }