COMPLEJIDAD INORDEN

                                                                              //O(1)
    public Iterator<T> inOrden(){                                               //T=2+2+2 = 6
        ListaCD<T> l=new ListaCD<T>();                                          //2
        inOrden(this.getRaiz(),l);                                            //2
        return (l.iterator());                                                  //2
    }
T=2+2+2 = 6

T=6

O(1)