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https://issues.apache.org/jira/browse/LUCENE-8345?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16543758#comment-16543758
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Uwe Schindler commented on LUCENE-8345:
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Oh sorry, I will commit this later. I was a bit busy!

I'd like to add the new String(String) constructor, too. But we can also do 
this in a separate issue.

> Add wrapper class constructors to forbiddenapis
> -----------------------------------------------
>
>                 Key: LUCENE-8345
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8345
>             Project: Lucene - Core
>          Issue Type: Improvement
>            Reporter: Michael Braun
>            Assignee: Uwe Schindler
>            Priority: Minor
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> Wrapper classes for the Java primitives (Boolean, Byte, Short, Character, 
> Integer, Long, Float, Double) have constructors which will always create new 
> objects. These constructors are officially deprecated as of Java 9 and it is 
> recommended to use the public static methods since these can reuse the same 
> underlying objects. In 99% of cases we should be doing this, so these 
> constructors should be added to forbiddenapis and code corrected to use 
> autoboxing or call the static methods (.valueOf, .parse*) explicitly. 



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