Github user chenghao-intel commented on the pull request:
https://github.com/apache/spark/pull/1586#issuecomment-50428615
Chinese character is always 3 bytes in UTF-8, the `Strlen` will always
return 3 for a single Chinese character, that's probably not right for the
`Strlen` semantically. That's why I said get the bytes length for a `string`
probably not right.
I think the following probably what you want
```
// assume s1 is the string
val string = new String(s1.getBytes(), encoding)
// assume s1 is the bytes
val string = new String(s1, encoding)
```
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