local names = _objectWrappers:wrap(_arrays:arrayOf(_plugins:loadClass("java.lang.String"), "Alice", "Bob", "John",
        "Trump"))
-- [Alice, Bob, John] Trump和Alice长度一样, 重复
names:distinctBy(function(it)
    return _objectWrappers:wrap(it):count()
end) :forEach(function(it)
    _console:log(it)
end)