it.unimi.dsi.fastutil.chars
Class AbstractChar2DoubleSortedMap.KeySet

java.lang.Object
  extended by java.util.AbstractCollection<Character>
      extended by it.unimi.dsi.fastutil.chars.AbstractCharCollection
          extended by it.unimi.dsi.fastutil.chars.AbstractCharSet
              extended by it.unimi.dsi.fastutil.chars.AbstractCharSortedSet
                  extended by it.unimi.dsi.fastutil.chars.AbstractChar2DoubleSortedMap.KeySet
All Implemented Interfaces:
CharCollection, CharIterable, CharSet, CharSortedSet, Cloneable, Iterable<Character>, Collection<Character>, Set<Character>, SortedSet<Character>
Enclosing class:
AbstractChar2DoubleSortedMap

protected class AbstractChar2DoubleSortedMap.KeySet
extends AbstractCharSortedSet

A wrapper exhibiting the keys of a map.


Constructor Summary
protected AbstractChar2DoubleSortedMap.KeySet()
           
 
Method Summary
 void clear()
           
 CharComparator comparator()
          Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
 boolean contains(char k)
           
 char firstChar()
           
 CharSortedSet headSet(char to)
           
 CharBidirectionalIterator iterator()
          Returns a type-specific iterator on the elements of this collection.
 CharBidirectionalIterator iterator(char from)
          Returns a type-specific BidirectionalIterator on the elements in this set, starting from a given element of the domain (optional operation).
 char lastChar()
           
 int size()
           
 CharSortedSet subSet(char from, char to)
           
 CharSortedSet tailSet(char from)
           
 
Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharSortedSet
charIterator, first, headSet, last, subSet, tailSet
 
Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharSet
equals, hashCode, rem, remove, remove
 
Methods inherited from class it.unimi.dsi.fastutil.chars.AbstractCharCollection
add, add, addAll, addAll, contains, containsAll, containsAll, isEmpty, rem, removeAll, removeAll, retainAll, retainAll, toArray, toArray, toArray, toCharArray, toCharArray, toString
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait
 
Methods inherited from interface it.unimi.dsi.fastutil.chars.CharSet
remove
 
Methods inherited from interface it.unimi.dsi.fastutil.chars.CharCollection
add, addAll, containsAll, rem, removeAll, retainAll, toArray, toArray, toCharArray, toCharArray
 
Methods inherited from interface java.util.Set
add, addAll, contains, containsAll, equals, hashCode, isEmpty, remove, removeAll, retainAll, toArray, toArray
 

Constructor Detail

AbstractChar2DoubleSortedMap.KeySet

protected AbstractChar2DoubleSortedMap.KeySet()
Method Detail

contains

public boolean contains(char k)
Specified by:
contains in interface CharCollection
Overrides:
contains in class AbstractCharCollection
See Also:
Collection.contains(Object)

size

public int size()
Specified by:
size in interface Collection<Character>
Specified by:
size in interface Set<Character>
Specified by:
size in class AbstractCollection<Character>

clear

public void clear()
Specified by:
clear in interface Collection<Character>
Specified by:
clear in interface Set<Character>
Overrides:
clear in class AbstractCollection<Character>

comparator

public CharComparator comparator()
Description copied from interface: CharSortedSet
Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.

Note that this specification strengthens the one given in SortedSet.comparator().

See Also:
SortedSet.comparator()

firstChar

public char firstChar()
See Also:
SortedSet.first()

lastChar

public char lastChar()
See Also:
SortedSet.last()

headSet

public CharSortedSet headSet(char to)
See Also:
SortedSet.headSet(Object)

tailSet

public CharSortedSet tailSet(char from)
See Also:
SortedSet.tailSet(Object)

subSet

public CharSortedSet subSet(char from,
                            char to)
See Also:
SortedSet.subSet(Object,Object)

iterator

public CharBidirectionalIterator iterator(char from)
Description copied from interface: CharSortedSet
Returns a type-specific BidirectionalIterator on the elements in this set, starting from a given element of the domain (optional operation).

This method returns a type-specific bidirectional iterator with given starting point. The starting point is any element comparable to the elements of this set (even if it does not actually belong to the set). The next element of the returned iterator is the least element of the set that is greater than the starting point (if there are no elements greater than the starting point, hasNext() will return false). The previous element of the returned iterator is the greatest element of the set that is smaller than or equal to the starting point (if there are no elements smaller than or equal to the starting point, hasPrevious() will return false).

Note that passing the last element of the set as starting point and calling previous() you can traverse the entire set in reverse order.

Parameters:
from - an element to start from.
Returns:
a bidirectional iterator on the element in this set, starting at the given element.

iterator

public CharBidirectionalIterator iterator()
Description copied from interface: CharCollection
Returns a type-specific iterator on the elements of this collection.

Note that this specification strengthens the one given in Iterable.iterator(), which was already strengthened in the corresponding type-specific class, but was weakened by the fact that this interface extends Collection.

Specified by:
iterator in interface CharCollection
Specified by:
iterator in interface CharIterable
Specified by:
iterator in interface CharSet
Specified by:
iterator in interface CharSortedSet
Specified by:
iterator in interface Iterable<Character>
Specified by:
iterator in interface Collection<Character>
Specified by:
iterator in interface Set<Character>
Specified by:
iterator in class AbstractCharSortedSet
Returns:
a type-specific iterator on the elements of this collection.


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