local words = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "hello", "world", "kotlin"))
-- 将每个单词转换为字符列表，并添加索引信息, 带索引的字符列表: [0_h, 0_e, 0_l, 0_l, 0_o, 1_w, 1_o, 1_r, 1_l, 1_d, 2_k, 2_o, 2_t, 2_l, 2_i, 2_n]
words:flatMapIndexed(function(index, word)
    return _objectWrappers:wrap(word):map(function(c)
        return index .. "_" .. c
    end)                  :getOrigin()
end) :forEach(function(it)
    _console:log(it)
end)