# Uses of Interface
java.util.stream.LongStream

Packages that use LongStream
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 LongStream in java.util

Methods in java.util that return LongStream
Modifier and Type
Method
Description
`LongStream`
Random.`longs()`
Returns an effectively unlimited stream of pseudorandom `long` values.
`LongStream`
Random.`longs(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandom `long` values.
`LongStream`
Random.`longs(long randomNumberOrigin, long randomNumberBound)`
Returns an effectively unlimited stream of pseudorandom `long` values, each conforming to the given origin (inclusive) and bound (exclusive).
`LongStream`
Random.`longs(long streamSize, long randomNumberOrigin, long randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandom `long`, each conforming to the given origin (inclusive) and bound (exclusive).
`LongStream`
SplittableRandom.`longs()`
Returns an effectively unlimited stream of pseudorandom `long` values from this generator and/or one split from it.
`LongStream`
SplittableRandom.`longs(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandom `long` values from this generator and/or one split from it.
`LongStream`
SplittableRandom.`longs(long randomNumberOrigin, long randomNumberBound)`
Returns an effectively unlimited stream of pseudorandom `long` values from this generator and/or one split from it; each value conforms to the given origin (inclusive) and bound (exclusive).
`LongStream`
SplittableRandom.`longs(long streamSize, long randomNumberOrigin, long randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandom `long` values from this generator and/or one split from it; each value conforms to the given origin (inclusive) and bound (exclusive).
`static LongStream`
Arrays.`stream(long[] array)`
Returns a sequential `LongStream` with the specified array as its source.
`static LongStream`
Arrays.`stream(long[] array, int startInclusive, int endExclusive)`
Returns a sequential `LongStream` with the specified range of the specified array as its source.
`LongStream`
OptionalLong.`stream()`
If a value is present, returns a sequential `LongStream` containing only that value, otherwise returns an empty `LongStream`.

## Uses of LongStream in java.util.concurrent

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

## Uses of LongStream in java.util.random

Methods in java.util.random that return LongStream
Modifier and Type
Method
Description
`default LongStream`
RandomGenerator.`longs()`
Returns an effectively unlimited stream of pseudorandomly chosen `long` values.
`default LongStream`
RandomGenerator.`longs(long streamSize)`
Returns a stream producing the given `streamSize` number of pseudorandomly chosen `long` values.
`default LongStream`
RandomGenerator.`longs(long randomNumberOrigin, long randomNumberBound)`
Returns an effectively unlimited stream of pseudorandomly chosen `long` values, where each value is between the specified origin (inclusive) and the specified bound (exclusive).
`default LongStream`
RandomGenerator.`longs(long streamSize, long randomNumberOrigin, long randomNumberBound)`
Returns a stream producing the given `streamSize` number of pseudorandomly chosen `long` values, where each value is between the specified origin (inclusive) and the specified bound (exclusive).

## Uses of LongStream in java.util.stream

Subinterfaces with type arguments of type LongStream in java.util.stream
Modifier and Type
Interface
Description
`interface`
`LongStream`
A sequence of primitive long-valued elements supporting sequential and parallel aggregate operations.
Methods in java.util.stream that return LongStream
Modifier and Type
Method
Description
`LongStream`
IntStream.`asLongStream()`
Returns a `LongStream` consisting of the elements of this stream, converted to `long`.
`LongStream`
LongStream.Builder.`build()`
Builds the stream, transitioning this builder to the built state.
`static LongStream`
LongStream.`concat(LongStream a, LongStream 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.
`LongStream`
LongStream.`distinct()`
Returns a stream consisting of the distinct elements of this stream.
`default LongStream`
LongStream.`dropWhile(LongPredicate 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 LongStream`
LongStream.`empty()`
Returns an empty sequential `LongStream`.
`LongStream`
LongStream.`filter(LongPredicate predicate)`
Returns a stream consisting of the elements of this stream that match the given predicate.
`LongStream`
LongStream.`flatMap(LongFunction<? extends LongStream> 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.
`LongStream`
Stream.`flatMapToLong(Function<? super T, ? extends LongStream> mapper)`
Returns an `LongStream` 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 LongStream`
LongStream.`generate(LongSupplier s)`
Returns an infinite sequential unordered stream where each element is generated by the provided `LongSupplier`.
`static LongStream`
LongStream.`iterate(long seed, LongPredicate hasNext, LongUnaryOperator next)`
Returns a sequential ordered `LongStream` produced by iterative application of the given `next` function to an initial element, conditioned on satisfying the given `hasNext` predicate.
`static LongStream`
LongStream.`iterate(long seed, LongUnaryOperator f)`
Returns an infinite sequential ordered `LongStream` 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.
`LongStream`
LongStream.`limit(long maxSize)`
Returns a stream consisting of the elements of this stream, truncated to be no longer than `maxSize` in length.
`static LongStream`
StreamSupport.`longStream(Supplier<? extends Spliterator.OfLong> supplier, int characteristics, boolean parallel)`
Creates a new sequential or parallel `LongStream` from a `Supplier` of `Spliterator.OfLong`.
`static LongStream`
StreamSupport.`longStream(Spliterator.OfLong spliterator, boolean parallel)`
Creates a new sequential or parallel `LongStream` from a `Spliterator.OfLong`.
`LongStream`
LongStream.`map(LongUnaryOperator mapper)`
Returns a stream consisting of the results of applying the given function to the elements of this stream.
`default LongStream`
LongStream.`mapMulti(LongStream.LongMapMultiConsumer mapper)`
Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
`default LongStream`
Stream.`mapMultiToLong(BiConsumer<? super T, ? super LongConsumer> mapper)`
Returns a `LongStream` consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.
`LongStream`
DoubleStream.`mapToLong(DoubleToLongFunction mapper)`
Returns a `LongStream` consisting of the results of applying the given function to the elements of this stream.
`LongStream`
IntStream.`mapToLong(IntToLongFunction mapper)`
Returns a `LongStream` consisting of the results of applying the given function to the elements of this stream.
`LongStream`
Stream.`mapToLong(ToLongFunction<? super T> mapper)`
Returns a `LongStream` consisting of the results of applying the given function to the elements of this stream.
`static LongStream`
LongStream.`of(long t)`
Returns a sequential `LongStream` containing a single element.
`static LongStream`
LongStream.`of(long... values)`
Returns a sequential ordered stream whose elements are the specified values.
`LongStream`
LongStream.`peek(LongConsumer 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.
`static LongStream`
LongStream.`range(long startInclusive, long endExclusive)`
Returns a sequential ordered `LongStream` from `startInclusive` (inclusive) to `endExclusive` (exclusive) by an incremental step of `1`.
`static LongStream`
LongStream.`rangeClosed(long startInclusive, long endInclusive)`
Returns a sequential ordered `LongStream` from `startInclusive` (inclusive) to `endInclusive` (inclusive) by an incremental step of `1`.
`LongStream`
LongStream.`skip(long n)`
Returns a stream consisting of the remaining elements of this stream after discarding the first `n` elements of the stream.
`LongStream`
LongStream.`sorted()`
Returns a stream consisting of the elements of this stream in sorted order.
`default LongStream`
LongStream.`takeWhile(LongPredicate 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 LongStream
Modifier and Type
Method
Description
`static LongStream`
LongStream.`concat(LongStream a, LongStream 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 LongStream
Modifier and Type
Method
Description
`LongStream`
LongStream.`flatMap(LongFunction<? extends LongStream> 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.
`LongStream`
Stream.`flatMapToLong(Function<? super T, ? extends LongStream> mapper)`
Returns an `LongStream` 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.