Kreiranje Na SLL vo c++

#include <iostream>
#include<bits/stdc++.h>
using namespace std;

class Node{
    public:
    int data;
    Node *next;

};
void print(Node *n){
    while(n!=NULL){
        cout<<n->data <<" ";
        n= n->next;
    }

}
int main()
{
  Node* head=NULL;
  Node* second=NULL;
  Node* third=NULL;

  //kreiranje na 3 objekti
  head = new Node ();
  second = new Node ();
  third = new Node () ;

  head -> data = 1;  // assign data in first node
  head -> next = second;// Link first node with second
  second->data = 2;// assign data to second node
  second -> next = third;   //Link second node with third
  third -> data = 3 ;// assign data to third node
  third -> next = NULL;
  print(head);
    return 0;
}