com.github.lokic.javaplus

类 Collectors

java.lang.Object

com.github.lokic.javaplus.Collectors

public class Collectors
extends Object

嵌套类概要

嵌套类

限定符和类型	类和说明
static class	Collectors.Distinct
static class	Collectors.Reversed

构造器概要

构造器

构造器和说明
Collectors()

方法概要

限定符和类型	方法和说明
static <T,K,U,M extends Map<K,T>> java.util.stream.Collector<Map.Entry<K,U>,?,M>	toMap(java.util.function.Function<? super Map.Entry<K,U>,? extends T> valueMapper, java.util.function.Supplier<M> mapSupplier)
static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,M>	toMap(Function2<? super T1,? super T2,? extends K> keyMapper, Function2<? super T1,? super T2,? extends U> valueMapper, java.util.function.BinaryOperator<U> mergeFunction, java.util.function.Supplier<M> mapSupplier)
static <K,U,M extends Map<K,U>> java.util.stream.Collector<Map.Entry<K,U>,?,M>	toMap(java.util.function.Supplier<M> mapSupplier)
static <T,K,U,M extends Map<K,U>> java.util.stream.Collector<T,?,java.util.stream.Stream<Map.Entry<K,U>>>	toMapEntryStream(java.util.function.Function<? super T,? extends K> keyMapper, java.util.function.Function<? super T,? extends U> valueMapper, java.util.function.BinaryOperator<U> mergeFunction, java.util.function.Supplier<M> mapSupplier)
static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,java.util.stream.Stream<Map.Entry<K,U>>>	toMapEntryStream(Function2<? super T1,? super T2,? extends K> keyMapper, Function2<? super T1,? super T2,? extends U> valueMapper, java.util.function.BinaryOperator<U> mergeFunction, java.util.function.Supplier<M> mapSupplier)
static <T,K,U,M extends Map<K,U>> java.util.stream.Collector<T,?,java.util.stream.Stream<Tuple2<K,U>>>	toMapTupleStream(java.util.function.Function<? super T,? extends K> keyMapper, java.util.function.Function<? super T,? extends U> valueMapper, java.util.function.BinaryOperator<U> mergeFunction, java.util.function.Supplier<M> mapSupplier)
static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,java.util.stream.Stream<Tuple2<K,U>>>	toMapTupleStream(Function2<? super T1,? super T2,? extends K> keyMapper, Function2<? super T1,? super T2,? extends U> valueMapper, java.util.function.BinaryOperator<U> mergeFunction, java.util.function.Supplier<M> mapSupplier)

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

Collectors

public Collectors()

方法详细资料

toMap

public static <K,U,M extends Map<K,U>> java.util.stream.Collector<Map.Entry<K,U>,?,M> toMap(java.util.function.Supplier<M> mapSupplier)

toMap

public static <T,K,U,M extends Map<K,T>> java.util.stream.Collector<Map.Entry<K,U>,?,M> toMap(java.util.function.Function<? super Map.Entry<K,U>,? extends T> valueMapper,
                                                                                              java.util.function.Supplier<M> mapSupplier)

toMap

public static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,M> toMap(Function2<? super T1,? super T2,? extends K> keyMapper,
                                                                                                 Function2<? super T1,? super T2,? extends U> valueMapper,
                                                                                                 java.util.function.BinaryOperator<U> mergeFunction,
                                                                                                 java.util.function.Supplier<M> mapSupplier)

toMapEntryStream

public static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,java.util.stream.Stream<Map.Entry<K,U>>> toMapEntryStream(Function2<? super T1,? super T2,? extends K> keyMapper,
                                                                                                                                                  Function2<? super T1,? super T2,? extends U> valueMapper,
                                                                                                                                                  java.util.function.BinaryOperator<U> mergeFunction,
                                                                                                                                                  java.util.function.Supplier<M> mapSupplier)

toMapEntryStream

public static <T,K,U,M extends Map<K,U>> java.util.stream.Collector<T,?,java.util.stream.Stream<Map.Entry<K,U>>> toMapEntryStream(java.util.function.Function<? super T,? extends K> keyMapper,
                                                                                                                                  java.util.function.Function<? super T,? extends U> valueMapper,
                                                                                                                                  java.util.function.BinaryOperator<U> mergeFunction,
                                                                                                                                  java.util.function.Supplier<M> mapSupplier)

toMapTupleStream

public static <T1,T2,K,U,M extends Map<K,U>> java.util.stream.Collector<Tuple2<T1,T2>,?,java.util.stream.Stream<Tuple2<K,U>>> toMapTupleStream(Function2<? super T1,? super T2,? extends K> keyMapper,
                                                                                                                                               Function2<? super T1,? super T2,? extends U> valueMapper,
                                                                                                                                               java.util.function.BinaryOperator<U> mergeFunction,
                                                                                                                                               java.util.function.Supplier<M> mapSupplier)

toMapTupleStream

public static <T,K,U,M extends Map<K,U>> java.util.stream.Collector<T,?,java.util.stream.Stream<Tuple2<K,U>>> toMapTupleStream(java.util.function.Function<? super T,? extends K> keyMapper,
                                                                                                                               java.util.function.Function<? super T,? extends U> valueMapper,
                                                                                                                               java.util.function.BinaryOperator<U> mergeFunction,
                                                                                                                               java.util.function.Supplier<M> mapSupplier)