lastRet = cursor;

      // array comes from q.toArray() and so should have only E's in it
      @SuppressWarnings("unchecked")
      E e = (E) array[cursor++];
      return e;
    }

    @Override
    public void remove() {
      if (lastRet < 0) throw new IllegalStateException();
      Object x = array[lastRet];
      lastRet = -1;

      lastRet = cursor;

      // array comes from q.toArray() and so should have only E's in it
      @SuppressWarnings("unchecked")
      E e = (E) array[cursor++];
      return e;
    }

    @Override
    public void remove() {
      if (lastRet < 0) throw new IllegalStateException();
      Object x = array[lastRet];
      lastRet = -1;