public final class Spliterators extends Object
Spliterator
static Spliterator.OfDouble emptyDoubleSpliterator()
Creates an empty Spliterator.OfDouble
static Spliterator.OfInt emptyIntSpliterator()
Creates an empty Spliterator.OfInt
static Spliterator.OfLong emptyLongSpliterator()
Creates an empty Spliterator.OfLong
static <T> Spliterator<T> emptySpliterator()
Creates an empty Spliterator
static PrimitiveIterator.OfDouble iterator(Spliterator.OfDouble spliterator)
Creates an PrimitiveIterator.OfDouble from a Spliterator.OfDouble.
static PrimitiveIterator.OfInt iterator(Spliterator.OfInt spliterator)
Creates an PrimitiveIterator.OfInt from a Spliterator.OfInt.
static PrimitiveIterator.OfLong iterator(Spliterator.OfLong spliterator)
Creates an PrimitiveIterator.OfLong from a Spliterator.OfLong.
static <T> Iterator<T> iterator(Spliterator<? extends T> spliterator)
Creates an Iterator from a Spliterator.
static Spliterator.OfDouble spliterator(double[] array, int additionalCharacteristics)
Creates a Spliterator.OfDouble covering the elements of a given array, using a customized set of spliterator characteristics.
static Spliterator.OfDouble spliterator(double[] array, int fromIndex, int toIndex, int additionalCharacteristics)
Creates a Spliterator.OfDouble covering a range of elements of a given array, using a customized set of spliterator characteristics.
static Spliterator.OfInt spliterator(int[] array, int additionalCharacteristics)
Creates a Spliterator.OfInt covering the elements of a given array, using a customized set of spliterator characteristics.
static Spliterator.OfInt spliterator(int[] array, int fromIndex, int toIndex, int additionalCharacteristics)
Creates a Spliterator.OfInt covering a range of elements of a given array, using a customized set of spliterator characteristics.
static Spliterator.OfLong spliterator(long[] array, int additionalCharacteristics)
Creates a Spliterator.OfLong covering the elements of a given array, using a customized set of spliterator characteristics.
static Spliterator.OfLong spliterator(long[] array, int fromIndex, int toIndex, int additionalCharacteristics)
Creates a Spliterator.OfLong covering a range of elements of a given array, using a customized set of spliterator characteristics.
static <T> Spliterator<T> spliterator(Object[] array, int additionalCharacteristics)
Creates a Spliterator covering the elements of a given array, using a customized set of spliterator characteristics.
static <T> Spliterator<T> spliterator(Object[] array, int fromIndex, int toIndex, int additionalCharacteristics)
Creates a Spliterator covering a range of elements of a given array, using a customized set of spliterator characteristics.
static <T> Spliterator<T> spliterator(Collection<? extends T> c, int characteristics)
Creates a
Spliterator
using the given collection's
Collection.iterator()
as the source of elements, and reporting its
Collection.size()
as its initial size.
static <T> Spliterator<T> spliterator(Iterator<? extends T> iterator, long size, int characteristics)
Creates a Spliterator using a given Iterator as the source of elements, and with a given initially reported size.
static Spliterator.OfDouble spliterator(PrimitiveIterator.OfDouble iterator, long size, int characteristics)
Creates a Spliterator.OfDouble using a given DoubleStream.DoubleIterator as the source of elements, and with a given initially reported size.
static Spliterator.OfInt spliterator(PrimitiveIterator.OfInt iterator, long size, int characteristics)
Creates a Spliterator.OfInt using a given IntStream.IntIterator as the source of elements, and with a given initially reported size.
static Spliterator.OfLong spliterator(PrimitiveIterator.OfLong iterator, long size, int characteristics)
Creates a Spliterator.OfLong using a given LongStream.LongIterator as the source of elements, and with a given initially reported size.
static <T> Spliterator<T> spliteratorUnknownSize(Iterator<? extends T> iterator, int characteristics)
Creates a Spliterator using a given Iterator as the source of elements, with no initial size estimate.
static Spliterator.OfDouble spliteratorUnknownSize(PrimitiveIterator.OfDouble iterator, int characteristics)
Creates a Spliterator.OfDouble using a given DoubleStream.DoubleIterator as the source of elements, with no initial size estimate.
static Spliterator.OfInt spliteratorUnknownSize(PrimitiveIterator.OfInt iterator, int characteristics)
Creates a Spliterator.OfInt using a given IntStream.IntIterator as the source of elements, with no initial size estimate.
static Spliterator.OfLong spliteratorUnknownSize(PrimitiveIterator.OfLong iterator, int characteristics)
Creates a Spliterator.OfLong using a given LongStream.LongIterator as the source of elements, with no initial size estimate.
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitT - Type of elements
(
Object[] array, int additionalCharacteristics)Creates a
Spliterator
covering the elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(Object[]).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
T - Type of elements
array - The array, assumed to be unmodified during use
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
Arrays.spliterator(Object[])
(
Object[] array, int fromIndex, int toIndex, int additionalCharacteristics)Creates a
Spliterator
covering a range of elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(Object[]).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
T - Type of elements
array - The array, assumed to be unmodified during use
fromIndex - The least index (inclusive) to cover
toIndex - One past the greatest index to cover
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
ArrayIndexOutOfBoundsException - if fromIndex is negative, toIndex is less than fromIndex, or toIndex is greater than the array size
Arrays.spliterator(Object[], int, int)
(
int[] array, int additionalCharacteristics)Creates a
Spliterator.OfInt
covering the elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(int[]).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
array - The array, assumed to be unmodified during use
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
Arrays.spliterator(int[])
(
int[] array, int fromIndex, int toIndex, int additionalCharacteristics)Creates a
Spliterator.OfInt
covering a range of elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(int[], int, int).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
array - The array, assumed to be unmodified during use
fromIndex - The least index (inclusive) to cover
toIndex - One past the greatest index to cover
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
ArrayIndexOutOfBoundsException - if fromIndex is negative, toIndex is less than fromIndex, or toIndex is greater than the array size
Arrays.spliterator(int[], int, int)
(
long[] array, int additionalCharacteristics)Creates a
Spliterator.OfLong
covering the elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(long[]).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
array - The array, assumed to be unmodified during use
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
Arrays.spliterator(long[])
(
long[] array, int fromIndex, int toIndex, int additionalCharacteristics)Creates a
Spliterator.OfLong
covering a range of elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(long[], int, int).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report. (For example, if it is known the array will not be further modified, specify IMMUTABLE; if the array data is considered to have an encounter order, specify ORDERED). The method Arrays.spliterator(long[], int, int) can often be used instead, which returns a spliterator that reports SIZED, SUBSIZED, IMMUTABLE, and ORDERED.
array - The array, assumed to be unmodified during use
fromIndex - The least index (inclusive) to cover
toIndex - One past the greatest index to cover
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
ArrayIndexOutOfBoundsException - if fromIndex is negative, toIndex is less than fromIndex, or toIndex is greater than the array size
Arrays.spliterator(long[], int, int)
Creates a
Spliterator.OfDouble
covering the elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(double[]).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report; it is common to additionally specify IMMUTABLE and ORDERED.
array - The array, assumed to be unmodified during use
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
Arrays.spliterator(double[])
(
double[] array, int fromIndex, int toIndex, int additionalCharacteristics)Creates a
Spliterator.OfDouble
covering a range of elements of a given array, using a customized set of spliterator characteristics.
This method is provided as an implementation convenience for Spliterators which store portions of their elements in arrays, and need fine control over Spliterator characteristics. Most other situations in which a Spliterator for an array is needed should use Arrays.spliterator(double[], int, int).
The returned spliterator always reports the characteristics SIZED and SUBSIZED. The caller may provide additional characteristics for the spliterator to report. (For example, if it is known the array will not be further modified, specify IMMUTABLE; if the array data is considered to have an encounter order, specify ORDERED). The method Arrays.spliterator(long[], int, int) can often be used instead, which returns a spliterator that reports SIZED, SUBSIZED, IMMUTABLE, and ORDERED.
array - The array, assumed to be unmodified during use
fromIndex - The least index (inclusive) to cover
toIndex - One past the greatest index to cover
additionalCharacteristics - Additional spliterator characteristics of this spliterator's source or elements beyond SIZED and SUBSIZED which are always reported
NullPointerException - if the given array is null
ArrayIndexOutOfBoundsException - if fromIndex is negative, toIndex is less than fromIndex, or toIndex is greater than the array size
Arrays.spliterator(double[], int, int)
Creates a
Spliterator
using the given collection's
Collection.iterator()
as the source of elements, and reporting its
Collection.size()
as its initial size.
The spliterator is late-binding, inherits the fail-fast properties of the collection's iterator, and implements trySplit to permit limited parallelism.
T - Type of elements
c - The collection
characteristics - Characteristics of this spliterator's source or elements. The characteristics SIZED and SUBSIZED are additionally reported unless CONCURRENT is supplied.
NullPointerException - if the given collection is null
(
Iterator<? extends T> iterator, long size, int characteristics)Creates a
Spliterator
using a given
Iterator
as the source of elements, and with a given initially reported size.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned, or the initially reported size is not equal to the actual number of elements in the source.
T - Type of elements
iterator - The iterator for the source
size - The number of elements in the source, to be reported as initial estimateSize
characteristics - Characteristics of this spliterator's source or elements. The characteristics SIZED and SUBSIZED are additionally reported unless CONCURRENT is supplied.
NullPointerException - if the given iterator is null
(
Iterator<? extends T> iterator, int characteristics)Creates a
Spliterator
using a given
Iterator
as the source of elements, with no initial size estimate.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned.
T - Type of elements
iterator - The iterator for the source
characteristics - Characteristics of this spliterator's source or elements (SIZED and SUBSIZED, if supplied, are ignored and are not reported.)
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfInt
using a given
IntStream.IntIterator
as the source of elements, and with a given initially reported size.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned, or the initially reported size is not equal to the actual number of elements in the source.
iterator - The iterator for the source
size - The number of elements in the source, to be reported as initial estimateSize.
characteristics - Characteristics of this spliterator's source or elements. The characteristics SIZED and SUBSIZED are additionally reported unless CONCURRENT is supplied.
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfInt
using a given
IntStream.IntIterator
as the source of elements, with no initial size estimate.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned.
iterator - The iterator for the source
characteristics - Characteristics of this spliterator's source or elements (SIZED and SUBSIZED, if supplied, are ignored and are not reported.)
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfLong
using a given
LongStream.LongIterator
as the source of elements, and with a given initially reported size.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned, or the initially reported size is not equal to the actual number of elements in the source.
iterator - The iterator for the source
size - The number of elements in the source, to be reported as initial estimateSize.
characteristics - Characteristics of this spliterator's source or elements. The characteristics SIZED and SUBSIZED are additionally reported unless CONCURRENT is supplied.
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfLong
using a given
LongStream.LongIterator
as the source of elements, with no initial size estimate.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned.
iterator - The iterator for the source
characteristics - Characteristics of this spliterator's source or elements (SIZED and SUBSIZED, if supplied, are ignored and are not reported.)
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfDouble
using a given
DoubleStream.DoubleIterator
as the source of elements, and with a given initially reported size.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned, or the initially reported size is not equal to the actual number of elements in the source.
iterator - The iterator for the source
size - The number of elements in the source, to be reported as initial estimateSize
characteristics - Characteristics of this spliterator's source or elements. The characteristics SIZED and SUBSIZED are additionally reported unless CONCURRENT is supplied.
NullPointerException - if the given iterator is null
Creates a
Spliterator.OfDouble
using a given
DoubleStream.DoubleIterator
as the source of elements, with no initial size estimate.
The spliterator is not late-binding, inherits the fail-fast properties of the iterator, and implements trySplit to permit limited parallelism.
Traversal of elements should be accomplished through the spliterator. The behaviour of splitting and traversal is undefined if the iterator is operated on after the spliterator is returned.
iterator - The iterator for the source
characteristics - Characteristics of this spliterator's source or elements (SIZED and SUBSIZED, if supplied, are ignored and are not reported.)
NullPointerException - if the given iterator is null
Creates an
Iterator
from a
Spliterator
.
Traversal of elements should be accomplished through the iterator. The behaviour of traversal is undefined if the spliterator is operated after the iterator is returned.
T - Type of elements
spliterator - The spliterator
NullPointerException - if the given spliterator is null
Creates an
PrimitiveIterator.OfInt
from a
Spliterator.OfInt
.
Traversal of elements should be accomplished through the iterator. The behaviour of traversal is undefined if the spliterator is operated after the iterator is returned.
spliterator - The spliterator
NullPointerException - if the given spliterator is null
Creates an
PrimitiveIterator.OfLong
from a
Spliterator.OfLong
.
Traversal of elements should be accomplished through the iterator. The behaviour of traversal is undefined if the spliterator is operated after the iterator is returned.
spliterator - The spliterator
NullPointerException - if the given spliterator is null
Creates an
PrimitiveIterator.OfDouble
from a
Spliterator.OfDouble
.
Traversal of elements should be accomplished through the iterator. The behaviour of traversal is undefined if the spliterator is operated after the iterator is returned.
spliterator - The spliterator
NullPointerException - if the given spliterator is null
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