M8Test Help

groupByTo

val wm = mutableMapOf<Int, MutableList<String>>() val words = arrayOf("hello", "world", "kotlin", "android") // 按单词长度分组 words.groupByTo(wm, { it.count() }) { it } // 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]} _console.log("按长度分组的单词: ", wm)
def wm = $objectWrappers.wrap($maps.mutableMapOf()) def words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin", "android")) // 按单词长度分组 words.groupByTo(wm, { $objectWrappers.wrap(it).count() }) { it } // 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]} $console.log("按长度分组的单词: ", wm)
let wm = $objectWrappers.wrap($maps.mutableMapOf()) let words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin", "android")) // 按单词长度分组 words.groupByTo(wm, ((it) => $objectWrappers.wrap(it).count()), (it) => it) // 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]} $console.log("按长度分组的单词: ", wm)
local wm = _objectWrappers:wrap(_maps:mutableMapOf()) local words = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "hello", "world", "kotlin", "android")) -- 按单词长度分组 words:groupByTo(wm, function(it) return _objectWrappers:wrap(it):count() end, function(it) return it end) -- 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]end) _console:log("按长度分组的单词: ", wm)
<?php $wm = $objectWrappers->wrap($maps->mutableMapOf()); $words = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.String"), "hello", "world", "kotlin", "android")); // 按单词长度分组 $words->groupByTo($wm, function ($it) use ($objectWrappers) { return $objectWrappers->wrap($it)->count(); }, function ($it) { return $it; }); // 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]}) $console->log("按长度分组的单词: ", $wm);
wm = _objectWrappers.wrap(_maps.mutableMapOf()) words = _objectWrappers.wrap( _arrays.arrayOf(_plugins.loadClass("java.lang.String"), "hello", "world", "kotlin", "android")) # 按单词长度分组 words.groupByTo(wm, lambda it: _objectWrappers.wrap(it).count(), lambda it: it) # 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]} _console.log("按长度分组的单词: ", wm)
# encoding: utf-8 wm = $objectWrappers.wrap($maps.mutableMapOf()) words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin", "android")) # 按单词长度分组 words.groupByTo(wm, lambda { |it| $objectWrappers.wrap(it).count() }) { |it| it } # 输出:按长度分组的单词: {5=[hello, world], 6=[kotlin], 7=[android]} $console.log("按长度分组的单词: ", wm)
Last modified: 07 September 2025