local numbers = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.Integer"), 1, 2, 3, 4, 5))
-- 计算所有元素的总和
local sum = numbers:fold(0, function(acc, element)
    return acc + element
end)
-- 输出：总和: 15
_console:log("总和: ", sum)