Uses of Class
java.util.OptionalLong
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Packages that use OptionalLong 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. -
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Uses of OptionalLong in java.util
Methods in java.util that return OptionalLong Modifier and Type Method and Description static OptionalLongOptionalLong. empty()Returns an emptyOptionalLonginstance.static OptionalLongOptionalLong. of(long value)Return anOptionalLongwith the specified value present. -
Uses of OptionalLong in java.util.stream
Methods in java.util.stream that return OptionalLong Modifier and Type Method and Description OptionalLongLongStream. findAny()Returns anOptionalLongdescribing some element of the stream, or an emptyOptionalLongif the stream is empty.OptionalLongLongStream. findFirst()Returns anOptionalLongdescribing the first element of this stream, or an emptyOptionalLongif the stream is empty.OptionalLongLongStream. max()Returns anOptionalLongdescribing the maximum element of this stream, or an empty optional if this stream is empty.OptionalLongLongStream. min()Returns anOptionalLongdescribing the minimum element of this stream, or an empty optional if this stream is empty.OptionalLongLongStream. reduce(LongBinaryOperator op)Performs a reduction on the elements of this stream, using an associative accumulation function, and returns anOptionalLongdescribing the reduced value, if any.
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