| Package | Description |
|---|---|
| java.lang | |
| java.util | |
| java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
| Modifier and Type | Field and Description |
|---|---|
static Class<Double> |
Double.TYPE
The
Class instance representing the primitive type
double. |
| Modifier and Type | Method and Description |
|---|---|
static Double |
Double.valueOf(double d)
Returns a
Double instance representing the specified
double value. |
static Double |
Double.valueOf(String s)
Returns a
Double object holding the
double value represented by the argument string
s. |
| Modifier and Type | Method and Description |
|---|---|
int |
Double.compareTo(Double anotherDouble)
Compares two
Double objects numerically. |
| Modifier and Type | Method and Description |
|---|---|
default Double |
PrimitiveIterator.OfDouble.next()
Returns the next element in the iteration.
|
| Modifier and Type | Method and Description |
|---|---|
default void |
Spliterator.OfDouble.forEachRemaining(Consumer<? super Double> action)
Performs the given action for each remaining element, sequentially in
the current thread, until all elements have been processed or the action
throws an exception.
|
default void |
PrimitiveIterator.OfDouble.forEachRemaining(Consumer<? super Double> action)
Performs the given action for each remaining element until all elements
have been processed or the action throws an exception.
|
default boolean |
Spliterator.OfDouble.tryAdvance(Consumer<? super Double> action)
If a remaining element exists, performs the given action on it,
returning
true; else returns false. |
| Modifier and Type | Method and Description |
|---|---|
static <T> Collector<T,?,Double> |
Collectors.averagingDouble(ToDoubleFunction<? super T> mapper)
Returns a
Collector that produces the arithmetic mean of a double-valued
function applied to the input elements. |
static <T> Collector<T,?,Double> |
Collectors.averagingInt(ToIntFunction<? super T> mapper)
Returns a
Collector that produces the arithmetic mean of an integer-valued
function applied to the input elements. |
static <T> Collector<T,?,Double> |
Collectors.averagingLong(ToLongFunction<? super T> mapper)
Returns a
Collector that produces the arithmetic mean of a long-valued
function applied to the input elements. |
Stream<Double> |
DoubleStream.boxed()
Returns a
Stream consisting of the elements of this stream,
boxed to Double. |
static <T> Collector<T,?,Double> |
Collectors.summingDouble(ToDoubleFunction<? super T> mapper)
Returns a
Collector that produces the sum of a double-valued
function applied to the input elements. |
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