Uses of Class
java.lang.Double
Package | Description |
---|---|
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
java.util |
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.
|
java.util.stream |
Classes to support functional-style operations on streams of elements, such
as map-reduce transformations on collections.
|
javax.management.openmbean |
Provides the open data types and Open MBean descriptor classes.
|
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Uses of Double in java.lang
Fields in java.lang with type parameters of type Double Modifier and Type Field Description static Class<Double>
Double. TYPE
TheClass
instance representing the primitive typedouble
.Methods in java.lang that return Double Modifier and Type Method Description Double
Double. 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
Double. valueOf(String s)
Returns aDouble
object holding thedouble
value represented by the argument strings
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Uses of Double in java.util
Methods in java.util that return Double Modifier and Type Method Description default Double
PrimitiveIterator.OfDouble. next()
Returns the next element in the iteration.Method parameters in java.util with type arguments of type Double Modifier and Type Method Description 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 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
Methods in java.util.stream that return types with arguments of type Double Modifier and Type Method Description static <T> Collector<T,?,Double>
Collectors. averagingDouble(ToDoubleFunction<? super T> mapper)
Returns aCollector
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 aCollector
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 aCollector
that produces the arithmetic mean of a long-valued function applied to the input elements.Stream<Double>
DoubleStream. boxed()
Returns aStream
consisting of the elements of this stream, boxed toDouble
.static <T> Collector<T,?,Double>
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
Fields in javax.management.openmbean with type parameters of type Double Modifier and Type Field Description static SimpleType<Double>
SimpleType. DOUBLE
TheSimpleType
instance describing values whose Java class name isjava.lang.Double
.