# Uses of Interface
java.util.stream.DoubleStream

Packages that use DoubleStream
Package
Description
java.util
Contains the collections framework, some internationalization support classes, a service loader, properties, random number generation, string parsing and scanning classes, base64 encoding and decoding, a bit array, and several miscellaneous utility classes.
java.util.concurrent
Utility classes commonly useful in concurrent programming.
java.util.random
This package contains classes and interfaces that support a generic API for random number generation.
java.util.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

## Uses of DoubleStream in java.util

Methods in java.util that return DoubleStream
Modifier and Type
Method
Description
`DoubleStream`
Random.`doubles()`
Returns an effectively unlimited stream of pseudorandom `double` values, each between zero (inclusive) and one (exclusive).
`DoubleStream`
Random.`doubles(double randomNumberOrigin, double randomNumberBound)`
Returns an effectively unlimited stream of pseudorandom `double` values, each conforming to the given origin (inclusive) and bound (exclusive).
`DoubleStream`
Random.`doubles(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values, each between zero (inclusive) and one (exclusive).
`DoubleStream`
Random.`doubles(long streamSize, double randomNumberOrigin, double randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values, each conforming to the given origin (inclusive) and bound (exclusive).
`DoubleStream`
SplittableRandom.`doubles()`
Returns an effectively unlimited stream of pseudorandom `double` values from this generator and/or one split from it; each value is between zero (inclusive) and one (exclusive).
`DoubleStream`
SplittableRandom.`doubles(double randomNumberOrigin, double randomNumberBound)`
Returns an effectively unlimited stream of pseudorandom `double` values from this generator and/or one split from it; each value conforms to the given origin (inclusive) and bound (exclusive).
`DoubleStream`
SplittableRandom.`doubles(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values from this generator and/or one split from it; each value is between zero (inclusive) and one (exclusive).
`DoubleStream`
SplittableRandom.`doubles(long streamSize, double randomNumberOrigin, double randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values from this generator and/or one split from it; each value conforms to the given origin (inclusive) and bound (exclusive).
`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.
`DoubleStream`
OptionalDouble.`stream()`
If a value is present, returns a sequential `DoubleStream` containing only that value, otherwise returns an empty `DoubleStream`.

## Uses of DoubleStream in java.util.concurrent

Methods in java.util.concurrent that return DoubleStream
Modifier and Type
Method
Description
`DoubleStream`
ThreadLocalRandom.`doubles()`
Returns an effectively unlimited stream of pseudorandom `double` values, each between zero (inclusive) and one (exclusive).
`DoubleStream`
ThreadLocalRandom.`doubles(double randomNumberOrigin, double randomNumberBound)`
Returns an effectively unlimited stream of pseudorandom `double` values, each conforming to the given origin (inclusive) and bound (exclusive).
`DoubleStream`
ThreadLocalRandom.`doubles(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values, each between zero (inclusive) and one (exclusive).
`DoubleStream`
ThreadLocalRandom.`doubles(long streamSize, double randomNumberOrigin, double randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandom `double` values, each conforming to the given origin (inclusive) and bound (exclusive).

## Uses of DoubleStream in java.util.random

Methods in java.util.random that return DoubleStream
Modifier and Type
Method
Description
`default DoubleStream`
RandomGenerator.`doubles()`
Returns an effectively unlimited stream of pseudorandomly chosen `double` values.
`default DoubleStream`
RandomGenerator.`doubles(double randomNumberOrigin, double randomNumberBound)`
Returns an effectively unlimited stream of pseudorandomly chosen `double` values, where each value is between the specified origin (inclusive) and the specified bound (exclusive).
`default DoubleStream`
RandomGenerator.`doubles(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandomly chosen `double` values.
`default DoubleStream`
RandomGenerator.`doubles(long streamSize, double randomNumberOrigin, double randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandomly chosen `double` values, where each value is between the specified origin (inclusive) and the specified bound (exclusive).
`default DoubleStream`
RandomGenerator.`equiDoubles(double left, double right, boolean isLeftIncluded, boolean isRightIncluded)`
Returns an effectively unlimited stream of pseudorandomly chosen `double` values, where each value is between the specified `left` boundary and the specified `right` boundary.

## Uses of DoubleStream in java.util.stream

Subinterfaces with type arguments of type DoubleStream in java.util.stream
Modifier and Type
Interface
Description
`interface`
`DoubleStream`
A sequence of primitive double-valued elements supporting sequential and parallel aggregate operations.
Methods in java.util.stream that return DoubleStream
Modifier and Type
Method
Description
`DoubleStream`
IntStream.`asDoubleStream()`
Returns a `DoubleStream` consisting of the elements of this stream, converted to `double`.
`DoubleStream`
LongStream.`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(Supplier<? extends Spliterator.OfDouble> supplier, int characteristics, boolean parallel)`
Creates a new sequential or parallel `DoubleStream` from a `Supplier` of `Spliterator.OfDouble`.
`static DoubleStream`
StreamSupport.`doubleStream(Spliterator.OfDouble spliterator, boolean parallel)`
Creates a new sequential or parallel `DoubleStream` from a `Spliterator.OfDouble`.
`default DoubleStream`
DoubleStream.`dropWhile(DoublePredicate predicate)`
Returns, if this stream is ordered, a stream consisting of the remaining elements of this stream after dropping the longest prefix of elements that match the given predicate.
`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, DoublePredicate hasNext, DoubleUnaryOperator next)`
Returns a sequential ordered `DoubleStream` produced by iterative application of the given `next` function to an initial element, conditioned on satisfying the given `hasNext` predicate.
`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.
`default DoubleStream`
DoubleStream.`mapMulti(DoubleStream.DoubleMapMultiConsumer mapper)`
Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
`default DoubleStream`
Stream.`mapMultiToDouble(BiConsumer<? super T, ? super DoubleConsumer> mapper)`
Returns a `DoubleStream` consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
`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 t)`
Returns a sequential `DoubleStream` containing a single element.
`static DoubleStream`
DoubleStream.`of(double... values)`
Returns a sequential ordered stream whose elements are the specified values.
`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.`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.
`default DoubleStream`
DoubleStream.`takeWhile(DoublePredicate predicate)`
Returns, if this stream is ordered, a stream consisting of the longest prefix of elements taken from this stream that match the given predicate.
Methods in java.util.stream with parameters of type DoubleStream
Modifier and Type
Method
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.
Method parameters in java.util.stream with type arguments of type DoubleStream
Modifier and Type
Method
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.