dw = _objectWrappers.wrap(_iterables.mutableListOf())
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, 非空字符串长度: [3, 5, 4]
data.mapNotNullTo(dw, lambda it: _objectWrappers.wrap(it).count() if it != None else None).forEach(
    lambda it: _console.log(it))