Package | Description |
---|---|
java.util |
Contains the collections framework, legacy collection classes, event model,
date and time facilities, internationalization, and miscellaneous utility
classes (a string tokenizer, a random-number generator, and a bit array).
|
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 <T> void |
Arrays.parallelSetAll(T[] array,
IntFunction<? extends T> generator)
Set all elements of the specified array, in parallel, using the
provided generator function to compute each element.
|
static <T> void |
Arrays.setAll(T[] array,
IntFunction<? extends T> generator)
Set all elements of the specified array, using the provided
generator function to compute each element.
|
Modifier and Type | Method and Description |
---|---|
IntStream |
IntStream.flatMap(IntFunction<? extends IntStream> 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.
|
<U> Stream<U> |
IntStream.mapToObj(IntFunction<? extends U> mapper)
Returns an object-valued
Stream consisting of the results of
applying the given function to the elements of this stream. |
<A> A[] |
Stream.toArray(IntFunction<A[]> generator)
Returns an array containing the elements of this stream, using the
provided
generator function to allocate the returned array, as
well as any additional arrays that might be required for a partitioned
execution or for resizing. |
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