Uses of Class
java8.util.OptionalDouble

Packages that use OptionalDouble

Package	Description
java8.util	Provides some of the new java.util classes and implementations of static and default interface methods added in Java 8.
java8.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

Uses of OptionalDouble in java8.util

Methods in java8.util that return OptionalDouble

Modifier and Type	Method and Description
static OptionalDouble	OptionalDouble.empty() Returns an empty OptionalDouble instance.
static OptionalDouble	OptionalDouble.of(double value) Return an OptionalDouble with the specified value present.

Uses of OptionalDouble in java8.util.stream

Methods in java8.util.stream that return OptionalDouble

Modifier and Type	Method and Description
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	IntStream.average() Returns an OptionalDouble describing the arithmetic mean of elements of this stream, or an empty optional if this stream is empty.
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	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.