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Showing content from https://docs.oracle.com/en/java/javase/24/docs/api/java.base/java/util/stream/DoubleStream.html below:

DoubleStream (Java SE 24 & JDK 24)

All Superinterfaces:

AutoCloseable, BaseStream<Double, DoubleStream>

• Nested Class Summary

  Nested Classes

  static interface 

  A mutable builder for a DoubleStream.

  static interface 

  Represents an operation that accepts a double-valued argument and a DoubleConsumer, and returns no result.

• Method Summary

  boolean

  Returns whether all elements of this stream match the provided predicate.

  boolean

  Returns whether any elements of this stream match the provided predicate.

  Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty.

  Returns a Stream consisting of the elements of this stream, boxed to Double.

  Returns a builder for a DoubleStream.

  <R> R

  Creates a lazily concatenated stream whose elements are all the elements of the first stream followed by all the elements of the second stream.

  long

  Returns the count of elements in this stream.

  Returns a stream consisting of the distinct elements of this stream.

  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.

  Returns an empty sequential DoubleStream.

  Returns a stream consisting of the elements of this stream that match the given predicate.

  Returns an

  OptionalDouble

  describing some element of the stream, or an empty

  OptionalDouble

  if the stream is empty.

  Returns an

  OptionalDouble

  describing the first element of this stream, or an empty

  OptionalDouble

  if the stream is empty.

  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.

  void

  Performs an action for each element of this stream.

  void

  Performs an action for each element of this stream, guaranteeing that each element is processed in encounter order for streams that have a defined encounter order.

  Returns an infinite sequential unordered stream where each element is generated by the provided DoubleSupplier.

  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.

  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.

  Returns a stream consisting of the elements of this stream, truncated to be no longer than maxSize in length.

  Returns a stream consisting of the results of applying the given function to the elements of this stream.

  Returns a stream consisting of the results of replacing each element of this stream with multiple elements, specifically zero or more elements.

  Returns an IntStream consisting of the results of applying the given function to the elements of this stream.

  Returns a LongStream consisting of the results of applying the given function to the elements of this stream.

  Returns an object-valued Stream consisting of the results of applying the given function to the elements of this stream.

  Returns an OptionalDouble describing the maximum element of this stream, or an empty OptionalDouble if this stream is empty.

  Returns an OptionalDouble describing the minimum element of this stream, or an empty OptionalDouble if this stream is empty.

  boolean

  Returns whether no elements of this stream match the provided predicate.

  Returns a sequential DoubleStream containing a single element.

  Returns a sequential ordered stream whose elements are the specified values.

  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.

  double

  Performs a

  reduction

  on the elements of this stream, using the provided identity value and an

  associative

  accumulation function, and returns the reduced value.

  Performs a

  reduction

  on the elements of this stream, using an

  associative

  accumulation function, and returns an

  OptionalDouble

  describing the reduced value, if any.

  Returns a stream consisting of the remaining elements of this stream after discarding the first n elements of the stream.

  Returns a stream consisting of the elements of this stream in sorted order.

  double

  Returns the sum of elements in this stream.

  Returns a DoubleSummaryStatistics describing various summary data about the elements of this stream.

  Returns, if this stream is ordered, a stream consisting of the longest prefix of elements taken from this stream that match the given predicate.

  double[]

  Returns an array containing the elements of this stream.

• Method Details
  • filter
  • map
  • mapToObj
  • mapToInt
  • mapToLong
  • flatMap
  • mapMulti
  • distinct
  • sorted
  • peek
  • limit
  • skip
  • takeWhile
  • dropWhile
  • forEach
  • forEachOrdered
  • toArray
  • reduce
  • reduce
  • collect
  • sum
  • min
  • max
  • count
  • average
  • summaryStatistics
  • anyMatch
  • allMatch
  • noneMatch
  • findFirst
  • findAny
  • boxed
  • builder
  • empty
  • of
  • of
  • iterate
  • iterate
  • generate
  • concat

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