mapIndexed

val words = arrayOf("hello", "world", "kotlin")
// 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words.mapIndexed { index, word -> "$index" + ": " + word }.forEach {
    _console.log(it)
}

def words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin"))
// 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words.mapIndexed { index, word -> index + ": " + word }.forEach {
    $console.log(it)
}

let words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin"))
// 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words.mapIndexed((index, word) => index + ": " + word).forEach((it) => {
    $console.log(it)
})

local words = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "hello", "world", "kotlin"))
-- 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words:mapIndexed(function(index, word)
    return index .. ": " .. word
end) :forEach(function(it)
    _console:log(it)
end)

<?php
$words = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.String"), "hello", "world", "kotlin"));
// 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
$words->mapIndexed(function ($index, $word) {
    return $index . ": " . $word;
})->forEach(function ($it) use ($console) {
    $console->log($it);
});

words = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.String"), "hello", "world", "kotlin"))
# 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words.mapIndexed(lambda index, word: str(index) + ": " + word).forEach(lambda it: _console.log(it))

# encoding: utf-8
words = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.String"), "hello", "world", "kotlin"))
# 将每个单词转换为带索引的字符串, 带索引的单词: [0: hello, 1: world, 2: kotlin]
words.mapIndexed { |index, word| index.to_s + ": " + word }.forEach { |it|
  $console.log(it)
}

Last modified: 09 September 2025