# Uses of Interface
java.util.function.IntToLongFunction

Packages that use IntToLongFunction
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.stream
Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

- ## Uses of IntToLongFunction in java.util

  Methods in java.util with parameters of type IntToLongFunction
  Modifier and Type
  Method
  Description
  `static void`
  Arrays.`parallelSetAll(long[] array, IntToLongFunction generator)`
  Set all elements of the specified array, in parallel, using the provided generator function to compute each element.
  `static void`
  Arrays.`setAll(long[] array, IntToLongFunction generator)`
  Set all elements of the specified array, using the provided generator function to compute each element.

- ## Uses of IntToLongFunction in java.util.stream

  Methods in java.util.stream with parameters of type IntToLongFunction
  Modifier and Type
  Method
  Description
  `LongStream`
  IntStream.`mapToLong(IntToLongFunction mapper)`
  Returns a `LongStream` consisting of the results of applying the given function to the elements of this stream.