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 OptionalInt |
OptionalInt.empty()
Returns an empty
OptionalInt instance. |
static OptionalInt |
OptionalInt.of(int value)
Return an
OptionalInt with the specified value present. |
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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