local words = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "hello", "world", "kotlin"))
-- 从右到左连接所有单词，并添加索引信息
local joinedString = words:foldRightIndexed("", function(index, word, acc)
    return acc .. index .. "_" .. word .. " "
end)
-- 输出：连接后的字符串: 2_kotlin 1_world 0_hello
_console:log("连接后的字符串: ", joinedString)