Package org.apache.commons.collections
Interface IterableMap
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- All Superinterfaces:
Map
- All Known Subinterfaces:
BidiMap,OrderedBidiMap,OrderedMap,SortedBidiMap
- All Known Implementing Classes:
AbstractBidiMapDecorator,AbstractDualBidiMap,AbstractHashedMap,AbstractLinkedMap,AbstractOrderedBidiMapDecorator,AbstractOrderedMapDecorator,AbstractReferenceMap,AbstractSortedBidiMapDecorator,CaseInsensitiveMap,DualHashBidiMap,DualTreeBidiMap,Flat3Map,HashedMap,IdentityMap,LinkedMap,ListOrderedMap,LRUMap,MultiKeyMap,ReferenceIdentityMap,ReferenceMap,SingletonMap,TreeBidiMap,UnmodifiableBidiMap,UnmodifiableMap,UnmodifiableOrderedBidiMap,UnmodifiableOrderedMap,UnmodifiableSortedBidiMap
public interface IterableMap extends Map
Defines a map that can be iterated directly without needing to create an entry set.A map iterator is an efficient way of iterating over maps. There is no need to access the entry set or cast to Map Entry objects.
IterableMap map = new HashedMap(); MapIterator it = map.mapIterator(); while (it.hasNext()) { Object key = it.next(); Object value = it.getValue(); it.setValue("newValue"); }- Since:
- Commons Collections 3.0
- Version:
- $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
- Author:
- Stephen Colebourne
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description MapIteratormapIterator()Obtains aMapIteratorover the map.-
Methods inherited from interface java.util.Map
clear, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, equals, forEach, get, getOrDefault, hashCode, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values
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Method Detail
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mapIterator
MapIterator mapIterator()
Obtains aMapIteratorover the map.A map iterator is an efficient way of iterating over maps. There is no need to access the entry set or cast to Map Entry objects.
IterableMap map = new HashedMap(); MapIterator it = map.mapIterator(); while (it.hasNext()) { Object key = it.next(); Object value = it.getValue(); it.setValue("newValue"); }- Returns:
- a map iterator
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