Exemplo n.º 1
0
  public ListNode setTail(ListNode newTail) {
    ListNode last = this;

    while (last.next != null) last = last.next;

    last.next = newTail;
    return this;
  }
Exemplo n.º 2
0
  public ListNode reverse() {
    ListNode prev = null;
    ListNode curr = this;

    while (curr != null) {
      ListNode tmp = curr.next;

      curr.next = prev;
      prev = curr;

      curr = tmp;
    }

    return prev;
  }