Uses of Interface
one.util.streamex.IntCollector

Uses of IntCollector in one.util.streamex

Classes in one.util.streamex that implement IntCollector

Modifier and Type	Class	Description
static final class	Internals.IntCollectorImpl<A,R>

Methods in one.util.streamex that return IntCollector

Modifier and Type	Method	Description
default <RR> IntCollector<A,RR>	IntCollector.andThen(Function<R,RR> finisher)	Adapts this collector to perform an additional finishing transformation.
(package private) IntCollector<A,R>	Internals.PartialCollector.asInt(ObjIntConsumer<A> intAccumulator)
static IntCollector<?, OptionalDouble>	IntCollector.averaging()	Returns an IntCollector that produces the arithmetic mean of the input elements or an empty optional if no elements are collected.
static IntCollector<?,Long>	IntCollector.counting()	Returns an IntCollector that counts the number of input elements and returns the result as Long.
static IntCollector<?,Integer>	IntCollector.countingInt()	Returns an IntCollector that counts the number of input elements and returns the result as Integer.
static <K> IntCollector<?, Map<K,int[]>>	IntCollector.groupingBy(IntFunction<? extends K> classifier)	Returns an IntCollector implementing a "group by" operation on input numbers, grouping them according to a classification function, and returning the results in a Map.
static <K, D, A, M extends Map<K,D>> IntCollector<?,M>	IntCollector.groupingBy(IntFunction<? extends K> classifier, Supplier<M> mapFactory, IntCollector<A,D> downstream)	Returns an IntCollector implementing a cascaded "group by" operation on input numbers, grouping them according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstream IntCollector.
static <K,D,A> IntCollector<?,Map<K,D>>	IntCollector.groupingBy(IntFunction<? extends K> classifier, IntCollector<A,D> downstream)	Returns an IntCollector implementing a cascaded "group by" operation on input numbers, grouping them according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstream IntCollector.
static IntCollector<?,String>	IntCollector.joining(CharSequence delimiter)	Returns an IntCollector that converts the input numbers to strings and concatenates them, separated by the specified delimiter, in encounter order.
static IntCollector<?,String>	IntCollector.joining(CharSequence delimiter, CharSequence prefix, CharSequence suffix)	Returns an IntCollector that converts the input numbers to strings and concatenates them, separated by the specified delimiter, with the specified prefix and suffix, in encounter order.
static <A,R> IntCollector<?,R>	IntCollector.mapping(IntUnaryOperator mapper, IntCollector<A,R> downstream)	Adapts an IntCollector to another one by applying a mapping function to each input element before accumulation.
static <U,A,R> IntCollector<?,R>	IntCollector.mappingToObj(IntFunction<U> mapper, Collector<U,A,R> downstream)	Adapts a Collector accepting elements of type U to an IntCollector by applying a mapping function to each input element before accumulation.
static IntCollector<?, OptionalInt>	IntCollector.max()	Returns an IntCollector that produces the maximal element, described as an OptionalInt.
static IntCollector<?, OptionalInt>	IntCollector.min()	Returns an IntCollector that produces the minimal element, described as an OptionalInt.
static <A,R> IntCollector<A,R>	IntCollector.of(Supplier<A> supplier, ObjIntConsumer<A> intAccumulator, BiConsumer<A,A> merger, Function<A,R> finisher)	Returns a new IntCollector described by the given supplier, accumulator, merger, and finisher functions.
static <R> IntCollector<R,R>	IntCollector.of(Supplier<R> supplier, ObjIntConsumer<R> intAccumulator, BiConsumer<R,R> merger)	Returns a new IntCollector described by the given supplier, accumulator, and merger functions.
static <A,R> IntCollector<?,R>	IntCollector.of(Collector<Integer,A,R> collector)	Adapts a Collector which accepts elements of type Integer to an IntCollector.
static IntCollector<?, Map<Boolean,int[]>>	IntCollector.partitioningBy(IntPredicate predicate)	Returns an IntCollector which partitions the input elements according to an IntPredicate, and organizes them into a Map<Boolean, int[]>.
static <A,D> IntCollector<?, Map<Boolean,D>>	IntCollector.partitioningBy(IntPredicate predicate, IntCollector<A,D> downstream)	Returns an IntCollector which partitions the input numbers according to an IntPredicate, reduces the values in each partition according to another IntCollector, and organizes them into a Map<Boolean, D> whose values are the result of the downstream reduction.
static IntCollector<?,Integer>	IntCollector.reducing(int identity, IntBinaryOperator op)	Returns an IntCollector which performs a reduction of its input numbers under a specified IntBinaryOperator using the provided identity.
static IntCollector<?, OptionalInt>	IntCollector.reducing(IntBinaryOperator op)	Returns an IntCollector which performs a reduction of its input numbers under a specified IntBinaryOperator.
static IntCollector<?, IntSummaryStatistics>	IntCollector.summarizing()	Returns an IntCollector which returns summary statistics for the input elements.
static IntCollector<?,Integer>	IntCollector.summing()	Returns an IntCollector that produces the sum of the input elements.
static IntCollector<?,int[]>	IntCollector.toArray()	Returns an IntCollector that produces the array of the input elements.
static IntCollector<?,BitSet>	IntCollector.toBitSet()	Returns an IntCollector that produces the BitSet of the input elements.
static IntCollector<?, boolean[]>	IntCollector.toBooleanArray(IntPredicate predicate)	Returns an IntCollector which produces a boolean array containing the results of applying the given predicate to the input elements, in encounter order.
static IntCollector<?,byte[]>	IntCollector.toByteArray()	Returns an IntCollector that produces the byte[] array of the input elements converting them via (byte) casting.
static IntCollector<?,char[]>	IntCollector.toCharArray()	Returns an IntCollector that produces the char[] array of the input elements converting them via (char) casting.
static IntCollector<?,short[]>	IntCollector.toShortArray()	Returns an IntCollector that produces the short[] array of the input elements converting them via (short) casting.

Methods in one.util.streamex with parameters of type IntCollector

Modifier and Type	Method	Description
<A,R> R	IntStreamEx.collect(IntCollector<A,R> collector)	Performs a mutable reduction operation on the elements of this stream using an IntCollector which encapsulates the supplier, accumulator and merger functions making easier to reuse collection strategies.
static <K, D, A, M extends Map<K,D>> IntCollector<?,M>	IntCollector.groupingBy(IntFunction<? extends K> classifier, Supplier<M> mapFactory, IntCollector<A,D> downstream)	Returns an IntCollector implementing a cascaded "group by" operation on input numbers, grouping them according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstream IntCollector.
static <K,D,A> IntCollector<?,Map<K,D>>	IntCollector.groupingBy(IntFunction<? extends K> classifier, IntCollector<A,D> downstream)	Returns an IntCollector implementing a cascaded "group by" operation on input numbers, grouping them according to a classification function, and then performing a reduction operation on the values associated with a given key using the specified downstream IntCollector.
static <A,R> IntCollector<?,R>	IntCollector.mapping(IntUnaryOperator mapper, IntCollector<A,R> downstream)	Adapts an IntCollector to another one by applying a mapping function to each input element before accumulation.
static <A,D> IntCollector<?, Map<Boolean,D>>	IntCollector.partitioningBy(IntPredicate predicate, IntCollector<A,D> downstream)	Returns an IntCollector which partitions the input numbers according to an IntPredicate, reduces the values in each partition according to another IntCollector, and organizes them into a Map<Boolean, D> whose values are the result of the downstream reduction.