Package org.apache.commons.collections4
Interface OrderedMapIterator<K,V>
- Type Parameters:
K- The type of the keys in the mapV- The type of the values in the map
- All Superinterfaces:
Iterator<K>,MapIterator<K,,V> OrderedIterator<K>
- All Known Implementing Classes:
AbstractLinkedMap.LinkMapIterator,AbstractOrderedMapIteratorDecorator,AbstractSortedMapDecorator.SortedMapIterator,DualTreeBidiMap.BidiOrderedMapIterator,EmptyOrderedMapIterator,UnmodifiableOrderedMapIterator
Defines an iterator that operates over an ordered
Map.
This iterator allows both forward and reverse iteration through the map.
- Since:
- 3.0
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Method Summary
Modifier and TypeMethodDescriptionbooleanChecks to see if there is a previous entry that can be iterated to.previous()Gets the previous key from theMap.Methods inherited from interface java.util.Iterator
forEachRemaining
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Method Details
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hasPrevious
boolean hasPrevious()Checks to see if there is a previous entry that can be iterated to.- Specified by:
hasPreviousin interfaceOrderedIterator<K>- Returns:
trueif the iterator has a previous element.
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previous
Gets the previous key from theMap.- Specified by:
previousin interfaceOrderedIterator<K>- Returns:
- The previous key in the iteration.
- Throws:
NoSuchElementException- if the iteration is finished.
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