| 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.
|
| Modifier and Type | Method | Description |
|---|---|---|
void |
LongSummaryStatistics.combine (LongSummaryStatistics other)
Combines the state of another
LongSummaryStatistics into this
one. |
| Modifier and Type | Method | Description |
|---|---|---|
LongSummaryStatistics |
LongStream.summaryStatistics ()
Returns a
LongSummaryStatistics describing various summary data
about the elements of this stream. |
| Modifier and Type | Method | Description |
|---|---|---|
static <T> Collector<T,?,LongSummaryStatistics> |
Collectors.summarizingLong (ToLongFunction<? super T> mapper)
Returns a
Collector which applies an long-producing
mapping function to each input element, and returns summary statistics
for the resulting values. |
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