Uses of Class
java.util.OptionalLong
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Packages that use OptionalLong Package Description java.net.http HTTP Client and WebSocket APIsjava.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. -
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Uses of OptionalLong in java.net.http
Methods in java.net.http that return OptionalLong Modifier and Type Method Description OptionalLong
HttpHeaders. firstValueAsLong(String name)
Returns anOptionalLong
containing the first header string value of the named header field. -
Uses of OptionalLong in java.util
Methods in java.util that return OptionalLong Modifier and Type Method Description static OptionalLong
OptionalLong. empty()
Returns an emptyOptionalLong
instance.static OptionalLong
OptionalLong. of(long value)
Returns anOptionalLong
describing the given value. -
Uses of OptionalLong in java.util.stream
Methods in java.util.stream that return OptionalLong Modifier and Type Method Description OptionalLong
LongStream. findAny()
Returns anOptionalLong
describing some element of the stream, or an emptyOptionalLong
if the stream is empty.OptionalLong
LongStream. findFirst()
Returns anOptionalLong
describing the first element of this stream, or an emptyOptionalLong
if the stream is empty.OptionalLong
LongStream. max()
Returns anOptionalLong
describing the maximum element of this stream, or an empty optional if this stream is empty.OptionalLong
LongStream. min()
Returns anOptionalLong
describing the minimum element of this stream, or an empty optional if this stream is empty.OptionalLong
LongStream. reduce(LongBinaryOperator op)
Performs a reduction on the elements of this stream, using an associative accumulation function, and returns anOptionalLong
describing the reduced value, if any.
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