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https://issues.apache.org/jira/browse/FLINK-4665?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen closed FLINK-4665.
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> Remove boxing/unboxing to parse a primitive
> -------------------------------------------
>
> Key: FLINK-4665
> URL: https://issues.apache.org/jira/browse/FLINK-4665
> Project: Flink
> Issue Type: Bug
> Components: Java API
> Reporter: Alexander Pivovarov
> Priority: Trivial
> Fix For: 1.2.0
>
>
> I found the following issues with boxing/unboxing and Integer
> 1. Current code doing boxing/unboxing to parse a primitive - It is more
> efficient to just call the static parseXXX method.
> 2. boxing/unboxing to do type cast
> 3. new Integer instead of valueOf - Using new Integer(int) is guaranteed to
> always result in a new object whereas Integer.valueOf(int) allows caching of
> values to be done by the compiler.
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