<?php
$numbers = $objectWrappers->wrap($arrays->arrayOf($plugins->loadClass("java.lang.Long"), 1, 2, 3, 4, 5));
// 将数字与其平方关联起来, {1=1, 2=4, 3=9, 4=16, 5=25})
$numbers->associate(function ($it) use ($maps) {
    return $maps->pairOf($it, $it * $it);
})->forEach(function ($it) use ($console) {
    $console->log($it);
});