Uses of Class
java.util.OptionalDouble

• Packages that use OptionalDouble

  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 OptionalDouble in java.util

    Methods in java.util that return OptionalDouble

    Modifier and Type	Method	Description
    static OptionalDouble	OptionalDouble.empty ​()	Returns an empty OptionalDouble instance.
    static OptionalDouble	OptionalDouble.of ​(double value)	Returns an OptionalDouble describing the given value.

  • Uses of OptionalDouble in java.util.stream

    Methods in java.util.stream that return OptionalDouble

    Modifier and Type	Method	Description
    OptionalDouble	DoubleStream.average ​()	Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty.
    OptionalDouble	IntStream.average ​()	Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty.
    OptionalDouble	LongStream.average ​()	Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty.
    OptionalDouble	DoubleStream.findAny ​()	Returns an OptionalDouble describing some element of the stream, or an empty OptionalDouble if the stream is empty.
    OptionalDouble	DoubleStream.findFirst ​()	Returns an OptionalDouble describing the first element of this stream, or an empty OptionalDouble if the stream is empty.
    OptionalDouble	DoubleStream.max ​()	Returns an OptionalDouble describing the maximum element of this stream, or an empty OptionalDouble if this stream is empty.
    OptionalDouble	DoubleStream.min ​()	Returns an OptionalDouble describing the minimum element of this stream, or an empty OptionalDouble if this stream is empty.
    OptionalDouble	DoubleStream.reduce ​(DoubleBinaryOperator op)	Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an OptionalDouble describing the reduced value, if any.