// MyList.C
// (c) Burton Rosenberg 1996
// Program to demonstrate linked lists.

#include<iostream.h>
#include<stdlib.h>

class Node {
public:
   int item ;
   Node * next ;
} ;

class List {
private:
   Node * anchor ;
public:
   void init(void) ;
   void push(int i) ;
   void print(void) ;
} ;

void List::
init ( void )
{
   anchor = NULL ;
}

void List::
push( int i )
{
    Node * n = new Node ;
    n->item = i ;
    n->next = anchor ;
    anchor = n ;
}

void List::
print( void )
{
    Node * n = anchor ;
    while ( n != NULL ) {
       cout << n->item << endl ;
       n = n->next ;
    }
}

void main() {
   List myList ;
   myList.init() ;
   myList.print() ;
   myList.push(1) ;
   myList.push(2) ;
   myList.push(3) ;
   myList.print() ;
}