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Java Source Code / Java Documentation » Apache Harmony Java SE » java package » java.util

Source Cross Reference Class Diagram Java Document (Java Doc)

java.util .ListIterator

ListIterator
public interface ListIterator extends Iterator<E>(Code)
	An ListIterator is used to sequence over a List of objects. ListIterator can move backwards or forwards through the List.

Method Summary
void	add(E object) Inserts the specified object into the list between `next` and `previous`.
public boolean	hasNext() Answers if there are more elements to iterate.
public boolean	hasPrevious() Answers if there are previous elements to iterate.
public E	next() Answers the next object in the iteration.
public int	nextIndex() Answers the index of the next object in the iteration.
public E	previous() Answers the previous object in the iteration.
public int	previousIndex() Answers the index of the previous object in the iteration.
public void	remove() Removes the last object returned by `next` or `previous` from the list.
void	set(E object) Replaces the last object returned by `next` or `previous` with the specified object.

Method Detail

add
void add(E object)(Code)
	Inserts the specified object into the list between `next` and `previous`. The object inserted will be the previous object. Parameters: object - the object to insert exception: UnsupportedOperationException - when adding is not supported by the list being iterated exception: ClassCastException - when the class of the object is inappropriate for the list exception: IllegalArgumentException - when the object cannot be added to the list

hasNext
public boolean hasNext()(Code)
	Answers if there are more elements to iterate. true if there are more elements, false otherwise See Also: ListIterator.next

hasPrevious
public boolean hasPrevious()(Code)
	Answers if there are previous elements to iterate. true if there are previous elements, false otherwise See Also: ListIterator.previous

next
public E next()(Code)
	Answers the next object in the iteration. the next object exception: NoSuchElementException - when there are no more elements See Also: ListIterator.hasNext

nextIndex
public int nextIndex()(Code)
	Answers the index of the next object in the iteration. the index of the next object exception: NoSuchElementException - when there are no more elements See Also: ListIterator.next

previous
public E previous()(Code)
	Answers the previous object in the iteration. the previous object exception: NoSuchElementException - when there are no previous elements See Also: ListIterator.hasPrevious

previousIndex
public int previousIndex()(Code)
	Answers the index of the previous object in the iteration. the index of the previous object exception: NoSuchElementException - when there are no previous elements See Also: ListIterator.previous

remove
public void remove()(Code)
	Removes the last object returned by `next` or `previous` from the list. exception: UnsupportedOperationException - when removing is not supported by the list being iterated exception: IllegalStateException - when `next` or `previous` havenot been called, or `remove` or`add` have already been called after the lastcall to `next` or `previous`

set
void set(E object)(Code)
	Replaces the last object returned by `next` or `previous` with the specified object. Parameters: object - the object to add exception: UnsupportedOperationException - when adding is not supported by the list being iterated exception: ClassCastException - when the class of the object is inappropriate for the list exception: IllegalArgumentException - when the object cannot be added to the list exception: IllegalStateException - when `next` or `previous` havenot been called, or `remove` or`add` have already been called after the lastcall to `next` or `previous`

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