GitHub user tsingxu opened a pull request:
https://github.com/apache/poi/pull/6
int2String string2int
when string to int, use Math.pow will cost much time
when int to string ,not use StringBuilder, will produce much string chip,
yet cost much time
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/tsingxu/poi patch-1
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/poi/pull/6.patch
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