## Uses of Interface
java.util.function.DoubleBinaryOperator

- Packages that use DoubleBinaryOperator
  Package | Description
  --- | ---
  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.concurrent | Utility classes commonly useful in concurrent programming.
  java.util.concurrent.atomic | A small toolkit of classes that support lock-free thread-safe programming on single variables.
  java.util.stream | Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

- - ### Uses of DoubleBinaryOperator in java.util

    Methods in java.util with parameters of type DoubleBinaryOperator
    Modifier and Type | Method | Description
    --- | --- | ---
    `static void` | Arrays.`parallelPrefix​(double[] array, int fromIndex, int toIndex, DoubleBinaryOperator op)` | Performs `Arrays.parallelPrefix(double[], DoubleBinaryOperator)` for the given subrange of the array.
    `static void` | Arrays.`parallelPrefix​(double[] array, DoubleBinaryOperator op)` | Cumulates, in parallel, each element of the given array in place, using the supplied function.

  - ### Uses of DoubleBinaryOperator in java.util.concurrent

    Methods in java.util.concurrent with parameters of type DoubleBinaryOperator
    Modifier and Type | Method | Description
    --- | --- | ---
    `double` | ConcurrentHashMap.`reduceEntriesToDouble​(long parallelismThreshold, ToDoubleFunction<Map.Entry<K,V>> transformer, double basis, DoubleBinaryOperator reducer)` | Returns the result of accumulating the given transformation of all entries using the given reducer to combine values, and the given basis as an identity value.
    `double` | ConcurrentHashMap.`reduceKeysToDouble​(long parallelismThreshold, ToDoubleFunction<? super K> transformer, double basis, DoubleBinaryOperator reducer)` | Returns the result of accumulating the given transformation of all keys using the given reducer to combine values, and the given basis as an identity value.
    `double` | ConcurrentHashMap.`reduceToDouble​(long parallelismThreshold, ToDoubleBiFunction<? super K,? super V> transformer, double basis, DoubleBinaryOperator reducer)` | Returns the result of accumulating the given transformation of all (key, value) pairs using the given reducer to combine values, and the given basis as an identity value.
    `double` | ConcurrentHashMap.`reduceValuesToDouble​(long parallelismThreshold, ToDoubleFunction<? super V> transformer, double basis, DoubleBinaryOperator reducer)` | Returns the result of accumulating the given transformation of all values using the given reducer to combine values, and the given basis as an identity value.

  - ### Uses of DoubleBinaryOperator in java.util.concurrent.atomic

    Constructors in java.util.concurrent.atomic with parameters of type DoubleBinaryOperator
    Constructor | Description
    --- | ---
    `DoubleAccumulator​(DoubleBinaryOperator accumulatorFunction, double identity)` | Creates a new instance using the given accumulator function and identity element.

  - ### Uses of DoubleBinaryOperator in java.util.stream

    Methods in java.util.stream with parameters of type DoubleBinaryOperator
    Modifier and Type | Method | Description
    --- | --- | ---
    `double` | DoubleStream.`reduce​(double identity, DoubleBinaryOperator op)` | Performs a reduction on the elements of this stream, using the provided identity value and an associative accumulation function, and returns the reduced value.
    `OptionalDouble` | DoubleStream.`reduce​(DoubleBinaryOperator op)` | Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an `OptionalDouble` describing the reduced value, if any.