Uses of Class java.util.OptionalInt (Java SE 17 & JDK 17)
Description: use: module: java.base, package: java.util, class: OptionalInt

# Uses of Class
java.util.OptionalInt

Packages that use OptionalInt
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 OptionalInt in java.util

  Methods in java.util that return OptionalInt
  Modifier and Type
  Method
  Description
  `static OptionalInt`
  OptionalInt.`empty()`
  Returns an empty `OptionalInt` instance.
  `static OptionalInt`
  OptionalInt.`of(int value)`
  Returns an `OptionalInt` describing the given value.

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

  Methods in java.util.stream that return OptionalInt
  Modifier and Type
  Method
  Description
  `OptionalInt`
  IntStream.`findAny()`
  Returns an `OptionalInt` describing some element of the stream, or an empty `OptionalInt` if the stream is empty.
  `OptionalInt`
  IntStream.`findFirst()`
  Returns an `OptionalInt` describing the first element of this stream, or an empty `OptionalInt` if the stream is empty.
  `OptionalInt`
  IntStream.`max()`
  Returns an `OptionalInt` describing the maximum element of this stream, or an empty optional if this stream is empty.
  `OptionalInt`
  IntStream.`min()`
  Returns an `OptionalInt` describing the minimum element of this stream, or an empty optional if this stream is empty.
  `OptionalInt`
  IntStream.`reduce(IntBinaryOperator op)`
  Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an `OptionalInt` describing the reduced value, if any.