# encoding: utf-8
numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5))
# 计算所有元素的总和
sum = numbers.fold(0) { |acc, element| acc + element }
# 输出：总和: 15
$console.log("总和: ", sum)