Uses of Class java.util.OptionalInt (Java Platform SE 8 )
Date: 2026-04-17

## Uses of Class
java.util.OptionalInt

- Packages that use OptionalInt
  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.

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

    Methods in java.util that return OptionalInt
    Modifier and Type | Method and Description
    --- | ---
    `static OptionalInt` | OptionalInt.`empty()` Returns an empty `OptionalInt` instance.
    `static OptionalInt` | OptionalInt.`of(int value)` Return an `OptionalInt` with the specified value present.

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

    Methods in java.util.stream that return OptionalInt
    Modifier and Type | Method and 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.

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