| Package | Description |
|---|---|
| java.util |
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Copyright (C) 2012 Jaroslav Tulach
|
| java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
| Modifier and Type | Method and Description |
|---|---|
static DoubleStream |
Arrays.stream(double[] array)
Returns a sequential
DoubleStream with the specified array as its
source. |
static DoubleStream |
Arrays.stream(double[] array,
int startInclusive,
int endExclusive)
Returns a sequential
DoubleStream with the specified range of the
specified array as its source. |
| Modifier and Type | Method and Description |
|---|---|
DoubleStream |
LongStream.asDoubleStream()
Returns a
DoubleStream consisting of the elements of this stream,
converted to double. |
DoubleStream |
IntStream.asDoubleStream()
Returns a
DoubleStream consisting of the elements of this stream,
converted to double. |
DoubleStream |
DoubleStream.Builder.build()
Builds the stream, transitioning this builder to the built state.
|
static DoubleStream |
DoubleStream.concat(DoubleStream a,
DoubleStream b)
Creates a lazily concatenated stream whose elements are all the
elements of the first stream followed by all the elements of the
second stream.
|
DoubleStream |
DoubleStream.distinct()
Returns a stream consisting of the distinct elements of this stream.
|
static DoubleStream |
StreamSupport.doubleStream(Spliterator.OfDouble spliterator,
boolean parallel)
Creates a new sequential or parallel
DoubleStream from a
Spliterator.OfDouble. |
static DoubleStream |
StreamSupport.doubleStream(Supplier<? extends Spliterator.OfDouble> supplier,
int characteristics,
boolean parallel)
Creates a new sequential or parallel
DoubleStream from a
Supplier of Spliterator.OfDouble. |
static DoubleStream |
DoubleStream.empty()
Returns an empty sequential
DoubleStream. |
DoubleStream |
DoubleStream.filter(DoublePredicate predicate)
Returns a stream consisting of the elements of this stream that match
the given predicate.
|
DoubleStream |
DoubleStream.flatMap(DoubleFunction<? extends DoubleStream> mapper)
Returns a stream consisting of the results of replacing each element of
this stream with the contents of a mapped stream produced by applying
the provided mapping function to each element.
|
DoubleStream |
Stream.flatMapToDouble(Function<? super T,? extends DoubleStream> mapper)
Returns an
DoubleStream consisting of the results of replacing
each element of this stream with the contents of a mapped stream produced
by applying the provided mapping function to each element. |
static DoubleStream |
DoubleStream.generate(DoubleSupplier s)
Returns an infinite sequential unordered stream where each element is
generated by the provided
DoubleSupplier. |
static DoubleStream |
DoubleStream.iterate(double seed,
DoubleUnaryOperator f)
Returns an infinite sequential ordered
DoubleStream produced by iterative
application of a function f to an initial element seed,
producing a Stream consisting of seed, f(seed),
f(f(seed)), etc. |
DoubleStream |
DoubleStream.limit(long maxSize)
Returns a stream consisting of the elements of this stream, truncated
to be no longer than
maxSize in length. |
DoubleStream |
DoubleStream.map(DoubleUnaryOperator mapper)
Returns a stream consisting of the results of applying the given
function to the elements of this stream.
|
DoubleStream |
IntStream.mapToDouble(IntToDoubleFunction mapper)
Returns a
DoubleStream consisting of the results of applying the
given function to the elements of this stream. |
DoubleStream |
LongStream.mapToDouble(LongToDoubleFunction mapper)
Returns a
DoubleStream consisting of the results of applying the
given function to the elements of this stream. |
DoubleStream |
Stream.mapToDouble(ToDoubleFunction<? super T> mapper)
Returns a
DoubleStream consisting of the results of applying the
given function to the elements of this stream. |
static DoubleStream |
DoubleStream.of(double... values)
Returns a sequential ordered stream whose elements are the specified values.
|
static DoubleStream |
DoubleStream.of(double t)
Returns a sequential
DoubleStream containing a single element. |
DoubleStream |
DoubleStream.parallel() |
DoubleStream |
DoubleStream.peek(DoubleConsumer action)
Returns a stream consisting of the elements of this stream, additionally
performing the provided action on each element as elements are consumed
from the resulting stream.
|
DoubleStream |
DoubleStream.sequential() |
DoubleStream |
DoubleStream.skip(long n)
Returns a stream consisting of the remaining elements of this stream
after discarding the first
n elements of the stream. |
DoubleStream |
DoubleStream.sorted()
Returns a stream consisting of the elements of this stream in sorted
order.
|
| Modifier and Type | Method and Description |
|---|---|
static DoubleStream |
DoubleStream.concat(DoubleStream a,
DoubleStream b)
Creates a lazily concatenated stream whose elements are all the
elements of the first stream followed by all the elements of the
second stream.
|
| Modifier and Type | Method and Description |
|---|---|
DoubleStream |
DoubleStream.flatMap(DoubleFunction<? extends DoubleStream> mapper)
Returns a stream consisting of the results of replacing each element of
this stream with the contents of a mapped stream produced by applying
the provided mapping function to each element.
|
DoubleStream |
Stream.flatMapToDouble(Function<? super T,? extends DoubleStream> mapper)
Returns an
DoubleStream consisting of the results of replacing
each element of this stream with the contents of a mapped stream produced
by applying the provided mapping function to each element. |
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