class Some {
  Some next;
}

Some l4 = new Some;

Some l3 = new Some;
l3.next = l4;

Some l2 = new Some;
l2.next = l3;

Some l1 = new Some;
l1.next = l2;

Some root = new Some;
root.next = l1;

Some obj = root;
while (obj != null)
{
  obj = obj.next;
  printline("Now object is:");
  printline(obj);
}

printline(obj);