Uses of Interface
java.util.function.BinaryOperator

Packages that use BinaryOperator

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.atomic	A small toolkit of classes that support lock-free thread-safe programming on single variables.
java.util.function	Functional interfaces provide target types for lambda expressions and method references.
java.util.stream	Classes to support functional-style operations on streams of elements, such as map-reduce transformations on collections.

Uses of BinaryOperator in java.util

Methods in java.util with parameters of type BinaryOperator

Modifier and Type	Method	Description
static <T> void	Arrays.parallelPrefix(T[] array, int fromIndex, int toIndex, BinaryOperator<T> op)	Performs Arrays.parallelPrefix(Object[], BinaryOperator) for the given subrange of the array.
static <T> void	Arrays.parallelPrefix(T[] array, BinaryOperator<T> op)	Cumulates, in parallel, each element of the given array in place, using the supplied function.

Uses of BinaryOperator in java.util.concurrent.atomic

Methods in java.util.concurrent.atomic with parameters of type BinaryOperator

Modifier and Type	Method	Description
V	AtomicReference.accumulateAndGet(V x, BinaryOperator<V> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the current value with the results of applying the given function to the current and given values, returning the updated value.
E	AtomicReferenceArray.accumulateAndGet(int i, E x, BinaryOperator<E> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the element at index i with the results of applying the given function to the current and given values, returning the updated value.
V	AtomicReferenceFieldUpdater.accumulateAndGet(T obj, V x, BinaryOperator<V> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the field of the given object managed by this updater with the results of applying the given function to the current and given values, returning the updated value.
V	AtomicReference.getAndAccumulate(V x, BinaryOperator<V> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the current value with the results of applying the given function to the current and given values, returning the previous value.
E	AtomicReferenceArray.getAndAccumulate(int i, E x, BinaryOperator<E> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the element at index i with the results of applying the given function to the current and given values, returning the previous value.
V	AtomicReferenceFieldUpdater.getAndAccumulate(T obj, V x, BinaryOperator<V> accumulatorFunction)	Atomically updates (with memory effects as specified by VarHandle.compareAndSet(java.lang.Object...)) the field of the given object managed by this updater with the results of applying the given function to the current and given values, returning the previous value.

Uses of BinaryOperator in java.util.function

Methods in java.util.function that return BinaryOperator

Modifier and Type	Method	Description
static <T> BinaryOperator<T>	BinaryOperator.maxBy(Comparator<? super T> comparator)	Returns a BinaryOperator which returns the greater of two elements according to the specified Comparator.
static <T> BinaryOperator<T>	BinaryOperator.minBy(Comparator<? super T> comparator)	Returns a BinaryOperator which returns the lesser of two elements according to the specified Comparator.

Uses of BinaryOperator in java.util.stream

Methods in java.util.stream that return BinaryOperator

Modifier and Type	Method	Description
BinaryOperator<A>	Collector.combiner()	A function that accepts two partial results and merges them.

Methods in java.util.stream with parameters of type BinaryOperator

Modifier and Type	Method	Description
static <T,A,R> Collector<T,A,R>	Collector.of(Supplier<A> supplier, BiConsumer<A,T> accumulator, BinaryOperator<A> combiner, Function<A,R> finisher, Collector.Characteristics... characteristics)	Returns a new Collector described by the given supplier, accumulator, combiner, and finisher functions.
static <T,R> Collector<T,R,R>	Collector.of(Supplier<R> supplier, BiConsumer<R,T> accumulator, BinaryOperator<R> combiner, Collector.Characteristics... characteristics)	Returns a new Collector described by the given supplier, accumulator, and combiner functions.
Optional<T>	Stream.reduce(BinaryOperator<T> accumulator)	Performs a reduction on the elements of this stream, using an associative accumulation function, and returns an Optional describing the reduced value, if any.
T	Stream.reduce(T identity, BinaryOperator<T> accumulator)	Performs a reduction on the elements of this stream, using the provided identity value and an associative accumulation function, and returns the reduced value.
<U> U	Stream.reduce(U identity, BiFunction<U,? super T,U> accumulator, BinaryOperator<U> combiner)	Performs a reduction on the elements of this stream, using the provided identity, accumulation and combining functions.
static <T> Collector<T,?,Optional<T>>	Collectors.reducing(BinaryOperator<T> op)	Returns a Collector which performs a reduction of its input elements under a specified BinaryOperator.
static <T> Collector<T,?,T>	Collectors.reducing(T identity, BinaryOperator<T> op)	Returns a Collector which performs a reduction of its input elements under a specified BinaryOperator using the provided identity.
static <T,U> Collector<T,?,U>	Collectors.reducing(U identity, Function<? super T,? extends U> mapper, BinaryOperator<U> op)	Returns a Collector which performs a reduction of its input elements under a specified mapping function and BinaryOperator.
static <T,K,U> Collector<T,?,ConcurrentMap<K,U>>	Collectors.toConcurrentMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction)	Returns a concurrent Collector that accumulates elements into a ConcurrentMap whose keys and values are the result of applying the provided mapping functions to the input elements.
static <T,K,U,M extends ConcurrentMap<K,U>> Collector<T,?,M>	Collectors.toConcurrentMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction, Supplier<M> mapFactory)	Returns a concurrent Collector that accumulates elements into a ConcurrentMap whose keys and values are the result of applying the provided mapping functions to the input elements.
static <T,K,U> Collector<T,?,Map<K,U>>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction)	Returns a Collector that accumulates elements into a Map whose keys and values are the result of applying the provided mapping functions to the input elements.
static <T,K,U,M extends Map<K,U>> Collector<T,?,M>	Collectors.toMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction, Supplier<M> mapFactory)	Returns a Collector that accumulates elements into a Map whose keys and values are the result of applying the provided mapping functions to the input elements.
static <T,K,U> Collector<T,?,Map<K,U>>	Collectors.toUnmodifiableMap(Function<? super T,? extends K> keyMapper, Function<? super T,? extends U> valueMapper, BinaryOperator<U> mergeFunction)	Returns a Collector that accumulates the input elements into an unmodifiable Map, whose keys and values are the result of applying the provided mapping functions to the input elements.