Package | Description |
---|---|
java9.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. |
java9.util.function |
Functional interfaces provide target types for lambda expressions
and method references.
|
java9.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
Modifier and Type | Class and Description |
---|---|
class |
DoubleSummaryStatistics
A state object for collecting statistics such as count, min, max, sum, and
average.
|
Modifier and Type | Method and Description |
---|---|
default void |
PrimitiveIterator.OfDouble.forEachRemaining(DoubleConsumer action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default void |
Spliterator.OfDouble.forEachRemaining(DoubleConsumer action) |
void |
OptionalDouble.ifPresent(DoubleConsumer action)
If a value is present, performs the given action with the value,
otherwise does nothing.
|
void |
OptionalDouble.ifPresentOrElse(DoubleConsumer action,
Runnable emptyAction)
If a value is present, performs the given action with the value,
otherwise performs the given empty-based action.
|
boolean |
Spliterator.OfDouble.tryAdvance(DoubleConsumer action) |
Modifier and Type | Method and Description |
---|---|
default DoubleConsumer |
DoubleConsumer.andThen(DoubleConsumer after)
Returns a composed
DoubleConsumer that performs, in sequence, this
operation followed by the after operation. |
Modifier and Type | Method and Description |
---|---|
default DoubleConsumer |
DoubleConsumer.andThen(DoubleConsumer after)
Returns a composed
DoubleConsumer that performs, in sequence, this
operation followed by the after operation. |
Modifier and Type | Interface and Description |
---|---|
static interface |
DoubleStream.Builder
A mutable builder for a
DoubleStream . |
Modifier and Type | Method and Description |
---|---|
void |
DoubleStream.DoubleMapMultiConsumer.accept(double value,
DoubleConsumer dc)
Replaces the given
value with zero or more values by feeding the mapped
values to the dc consumer. |
void |
DoubleStream.forEach(DoubleConsumer action)
Performs an action for each element of this stream.
|
void |
DoubleStream.forEachOrdered(DoubleConsumer action)
Performs an action for each element of this stream, guaranteeing that
each element is processed in encounter order for streams that have a
defined encounter order.
|
DoubleStream |
DoubleStream.peek(DoubleConsumer action)
Returns a stream consisting of the elements of this stream, additionally
performing the provided action on each element as elements are consumed
from the resulting stream.
|
Modifier and Type | Method and Description |
---|---|
default DoubleStream |
Stream.mapMultiToDouble(BiConsumer<? super T,? super DoubleConsumer> mapper)
Returns a
DoubleStream consisting of the results of replacing each
element of this stream with multiple elements, specifically zero or more
elements. |
Copyright © 2021. All rights reserved.