map

val numbers = arrayOf(1, 2, 3, 4, 5)
// 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers.map { it * 2 }.forEach {
    _console.log(it)
}

def numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Integer"), 1, 2, 3, 4, 5))
// 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers.map { it * 2 }.forEach {
    $console.log(it)
}

let numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Integer"), 1, 2, 3, 4, 5))
// 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers.map(it => it * 2).forEach((it) => {
    $console.log(it)
})

local numbers = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.Integer"), 1, 2, 3, 4, 5))
-- 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers:map(function(it)
    return it * 2
end)   :forEach(function(it)
    _console:log(it)
end)

<?php
$numbers = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.Long"), 1, 2, 3, 4, 5));
// 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
$numbers->map(function ($it) {
    return $it * 2;
})->forEach(function ($it) use ($console) {
    $console->log($it);
});

numbers = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5))
# 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers.map(lambda it: it * 2).forEach(lambda it: _console.log(it))

# encoding: utf-8
numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5))
# 将每个元素乘以 2, 翻倍后的数字: [2, 4, 6, 8, 10]
numbers.map { |it| it * 2 }.forEach { |it|
  $console.log(it)
}

Last modified: 09 September 2025