- java.lang.Object
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- org.hsqldb.map.BaseHashMap
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- org.hsqldb.lib.HashSet<E>
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- org.hsqldb.lib.OrderedHashSet<E>
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- All Implemented Interfaces:
Collection<E>,List<E>,Set<E>
public class OrderedHashSet<E> extends HashSet<E> implements List<E>, Set<E>
A list which is also a Set which maintains the inserted order of elements and allows access by index. Iterators return the elements in the index order.This class does not store null elements.
- Since:
- 1.9.0
- Author:
- Fred Toussi (fredt@users dot sourceforge.net)
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Constructor Summary
Constructors Constructor Description OrderedHashSet()OrderedHashSet(int initialCapacity)OrderedHashSet(int initialCapacity, ObjectComparator<E> comparator)OrderedHashSet(E[] valueList)
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description voidadd(int index, E key)static <E> OrderedHashSet<E>add(OrderedHashSet<E> first, E value)add value to first.static <E> OrderedHashSet<E>addAll(OrderedHashSet<E> first, OrderedHashSet<E> second)add all elements of second to first.Eget(int index)intgetCommonElementCount(Set<E> other)intgetIndex(java.lang.Object key)intgetLargestIndex(OrderedHashSet<E> other)intgetSmallestIndex(OrderedHashSet<E> other)intindexOf(java.lang.Object key)booleaninsert(int index, E key)intlastIndexOf(java.lang.Object o)Eremove(int index)booleanremove(E key)returns true if removedEset(int index, E key)java.lang.Object[]toArray()<T> T[]toArray(T[] array)-
Methods inherited from class org.hsqldb.lib.HashSet
add, addAll, addAll, addAll, capacity, contains, containsAll, get, getOrAdd, iterator, removeAll, removeAll, toString
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Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface org.hsqldb.lib.Collection
addAll, clear, contains
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Constructor Detail
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OrderedHashSet
public OrderedHashSet()
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OrderedHashSet
public OrderedHashSet(int initialCapacity)
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OrderedHashSet
public OrderedHashSet(int initialCapacity, ObjectComparator<E> comparator)
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OrderedHashSet
public OrderedHashSet(E[] valueList)
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Method Detail
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insert
public boolean insert(int index, E key) throws java.lang.IndexOutOfBoundsException- Throws:
java.lang.IndexOutOfBoundsException
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indexOf
public int indexOf(java.lang.Object key)
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getIndex
public int getIndex(java.lang.Object key)
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lastIndexOf
public int lastIndexOf(java.lang.Object o)
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getLargestIndex
public int getLargestIndex(OrderedHashSet<E> other)
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getSmallestIndex
public int getSmallestIndex(OrderedHashSet<E> other)
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getCommonElementCount
public int getCommonElementCount(Set<E> other)
- Overrides:
getCommonElementCountin classHashSet<E>
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addAll
public static <E> OrderedHashSet<E> addAll(OrderedHashSet<E> first, OrderedHashSet<E> second)
add all elements of second to first. if second is null return first (which can be null), else if first is null return a new set and add the elements of second
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add
public static <E> OrderedHashSet<E> add(OrderedHashSet<E> first, E value)
add value to first. if value is null return first (which can be null), else if first is null return a new set and add the value
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