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public interface SequenceIterator<E>
An iterator of a Sequence
that permits bidirectional traversal.
Sequence
Method Summary | |
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boolean |
hasPrevious()
Returns true if this iterator has a previous element that can be retrieved, false
otherwise. |
E |
previous()
Returns the previous element from this iterator. |
Methods inherited from interface org.jtiger.framework.Positionable |
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getPosition |
Methods inherited from interface java.util.Iterator |
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hasNext, next, remove |
Method Detail |
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boolean hasPrevious()
true
if this iterator has a previous element that can be retrieved, false
otherwise.
true
if this iterator has a previous element that can be retrieved, false
otherwise.E previous() throws NoSuchElementException
NoSuchElementException
- If there is no previous element in this iterator. It is guaranteed that if
hasPrevious()
has returned true
, then this exception will not be thrown. Conversely, if
hasPrevious()
has returned false
, then this exception will certainly be thrown.
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