C++ Class Definition Integer class

 
#include <iostream>
 
class Integer{//from  w  w  w .ja v a 2  s.com
private:
  int n;
 
public:
  Integer(int m);
  int getValue() {return n;}
  void setValue(int m){ n = m; }
  void show();
};
 
Integer::Integer(int m)
{
  n = m;
  std::cout << "Object created." << std::endl;
}
 
void Integer::show()
{
  std::cout << "Value is " << n << std::endl;
}
 
int main()
{
  std::cout << "Create i with the value 10." << std::endl;
  Integer i {10};
  i.show();
  std::cout << "Change value  of i to 15." << std::endl;
  i.setValue(15);
  i.show();
 
  k.show();
}