| 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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