Uses of Class
java.lang.Double
Package
Description
Provides classes that are fundamental to the design of the Java
programming language.
Contains the collections framework, some internationalization support classes,
a service loader, properties, random number generation, string parsing
and scanning classes, base64 encoding and decoding, a bit array, and
several miscellaneous utility classes.
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
Provides the open data types and Open MBean descriptor classes.
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Uses of Double in java.lang
Modifier and TypeFieldDescriptionDouble.TYPE
TheClass
instance representing the primitive typedouble
.Modifier and TypeMethodDescriptionDouble.resolveConstantDesc
(MethodHandles.Lookup lookup) Resolves this instance as aConstantDesc
, the result of which is the instance itself.static Double
Double.valueOf
(double d) Returns aDouble
instance representing the specifieddouble
value.static Double
Returns aDouble
object holding thedouble
value represented by the argument strings
.Modifier and TypeMethodDescriptionDouble.describeConstable()
Returns anOptional
containing the nominal descriptor for this instance, which is the instance itself. -
Uses of Double in java.util
Modifier and TypeMethodDescriptiondefault Double
PrimitiveIterator.OfDouble.next()
Returns the next element in the iteration.Modifier and TypeMethodDescriptiondefault 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 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 boolean
Spliterator.OfDouble.tryAdvance
(Consumer<? super Double> action) If a remaining element exists, performs the given action on it, returningtrue
; else returnsfalse
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Uses of Double in java.util.stream
Modifier and TypeMethodDescriptionCollectors.averagingDouble
(ToDoubleFunction<? super T> mapper) Returns aCollector
that produces the arithmetic mean of a double-valued function applied to the input elements.Collectors.averagingInt
(ToIntFunction<? super T> mapper) Returns aCollector
that produces the arithmetic mean of an integer-valued function applied to the input elements.Collectors.averagingLong
(ToLongFunction<? super T> mapper) Returns aCollector
that produces the arithmetic mean of a long-valued function applied to the input elements.DoubleStream.boxed()
Returns aStream
consisting of the elements of this stream, boxed toDouble
.Collectors.summingDouble
(ToDoubleFunction<? super T> mapper) Returns aCollector
that produces the sum of a double-valued function applied to the input elements. -
Uses of Double in javax.management.openmbean
Modifier and TypeFieldDescriptionstatic final SimpleType<Double>
SimpleType.DOUBLE
TheSimpleType
instance describing values whose Java class name isjava.lang.Double
.