Field Detail

• next

  protected E next

Constructor Detail

• AbstractIterator

  public AbstractIterator()

Method Detail

• hasNext

  public boolean hasNext()

  Specified by:

  hasNext in interface Iterator<E>

• next

  public E next()

  Specified by:

  next in interface Iterator<E>

• remove

  public void remove()

  Specified by:

  remove in interface Iterator<E>

• advance

  protected abstract E advance()

  Returns:

  the next element or null if the iterator is at the end

• peek

  public E peek()

  Returns the next element in the iterator, if one exists. Otherwise, returns null. Invoking this method does not advance the iterator.

  Returns:

  The next element in the iterator, without advancing, or, if no other element exists, null.

• isIterating

  protected boolean isIterating()

  Returns:

  true after the first time hasNext() or next() have been called