# encoding: utf-8
numbers = $objectWrappers.wrap($arrays.arrayOf($plugins.loadClass("java.lang.Long"), 1, 2, 3, 4, 5))
# 从右到左计算所有元素的差值
difference = numbers.foldRight(0) { |element, acc| element - acc }
# 输出：差值: 3
$console.log("差值: ", difference)