data = _objectWrappers.wrap(_arrays.arrayOf(_plugins.loadClass("java.lang.String"), "one", None, "three", "four", None))
# 将非空字符串转换为其长度，并添加索引信息, 带索引的非空字符串长度: [0_3, 2_5, 3_4]
data.mapIndexedNotNull(
    lambda index, word: str(index) + "_" + str(_objectWrappers.wrap(word).count()) if word != None else None).forEach(
    lambda it: _console.log(it))