public static <T, U> Comparator<T> comparing(Function<? super T, ? extends U> keyExtractor, Comparator<? super U> keyComparator)怎么理解Function<? super T, ? extends U>这个声明呢,网上查了半天都在讲生产者消费者的的准则,但好像和这个又对不上号,苦思冥想快2天了。。。求解PS:还有为啥我觉得...
static <T> Comparator<T>Comparator.comparingLong(ToLongFunction<? super T> keyExtractor) 接受从类型 T中提取 long排序键的 T ,并返回按该排序键进行比较的 Comparator<T>。 default Comparator<T>Comparator.thenComparingLong(ToLongFunction<? super T> keyExtractor) 返回一个字典顺序比较器,其中包含...
static <T, U>Comparator<T>Comparator.comparing(Function<? super T,? extends U> keyExtractor,Comparator<? super U> keyComparator) 型Tからソート・キーを抽出する関数を受け取り、指定されたComparatorを使ってそのソート・キーで比較するComparator<T>を返します。
static <T>Comparator<T>Comparator.comparingDouble(ToDoubleFunction<? super T> keyExtractor) Accepts a function that extracts adoublesort key from a typeT, and returns aComparator<T>that compares by that sort key. defaultComparator<T>Comparator.thenComparingDouble(ToDoubleFunction<? superT> keyExtract...
super T, ? extends K> keyExtractor) { return toImmutableListMultimap(keyExtractor, Function.identity()); } From source file:org.niord.core.batch.BatchService.java /** * Returns the paged search result for the given batch type * * @param jobName the job name//from ww w. ja v a2 s ...
Function<Contact, Character> keyExtractor = o -> o.getFirstName().charAt(0); 1. 2. 这个接口就是来自于此包,当然前几篇文章中用到的很多原型都是如此。 现在我们把包中最基本的四种原型列出来: Consumer<T> Predicate<T> Supplier<T> Function<T, U> ...
static <T,U extends Comparable<? super U>>Comparator<T>Comparator.comparing(Function<? super T,? extends U> keyExtractor) 接受从类型T中提取Comparable排序键的T ,并返回按该排序键进行比较的Comparator<T>。 static <T,U>Comparator<T>Comparator.comparing(Function<? super T,?
[Android.Runtime.Register("comparingDouble","(Ljava/util/function/ToDoubleFunction;)Ljava/util/Comparator;","", ApiSince=24)] [Java.Interop.JavaTypeParameters(new System.String[] {"T"})]publicstaticJava.Util.IComparator? ComparingDouble (Java.Util.Functions.IToDoubleFunction? keyExtractor); ...
keyExtractor IToLongFunction the function used to extract the long sort key Returns IComparator a lexicographic-order comparator composed of this and then the long sort key Attributes RegisterAttribute Remarks Returns a lexicographic-order comparator with a function that extracts a long sort key....
keyExtractor IToIntFunction the function used to extract the integer sort key Returns IComparator a lexicographic-order comparator composed of this and then theintsort key Attributes RegisterAttribute Remarks Returns a lexicographic-order comparator with a function that extracts anintsort key. ...