Package | Description |
---|---|
java8.util |
Provides some of the new
java.util classes and implementations of
static and default interface methods added in Java 8 and, in addition, the
JEP 269: Convenience Factory
Methods for Collections that were introduced in Java 9. |
java8.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 |
---|---|
void |
DoubleSummaryStatistics.combine(DoubleSummaryStatistics other)
Combines the state of another
DoubleSummaryStatistics into this
one. |
Modifier and Type | Method and Description |
---|---|
DoubleSummaryStatistics |
DoubleStream.summaryStatistics()
Returns a
DoubleSummaryStatistics describing various summary data
about the elements of this stream. |
Modifier and Type | Method and Description |
---|---|
static <T> Collector<T,?,DoubleSummaryStatistics> |
Collectors.summarizingDouble(ToDoubleFunction<? super T> mapper)
Returns a
Collector which applies an double -producing
mapping function to each input element, and returns summary statistics
for the resulting values. |
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