Method Detail

• hasNext

  boolean hasNext()

  Returns true iff I have more elements. (In other words, returns true iff a subsequent call to next will return an element rather than throwing an exception.)

  Returns:

  true iff I have more elements

• next

  long next()

  Returns the next element in me.

  Returns:

  the next element in me

  Throws:

  NoSuchElementException - if there is no next element

• remove

  void remove()

  Removes from my underlying collection the last element returned by me (optional operation).

  Throws:

  UnsupportedOperationException - if this operation is not supported

  IllegalStateException - if next() has not yet been called, or remove() has already been called since the last call to next().