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https://issues.apache.org/jira/browse/LANG-1593?focusedWorklogId=660024&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-660024
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ASF GitHub Bot logged work on LANG-1593:
----------------------------------------
Author: ASF GitHub Bot
Created on: 05/Oct/21 00:52
Start Date: 05/Oct/21 00:52
Worklog Time Spent: 10m
Work Description: XenoAmess commented on pull request #784:
URL: https://github.com/apache/commons-lang/pull/784#issuecomment-933970122
> @XenoAmess Could you please be more descriptive? The only `String.valueOf`
I have added are in high level methods, main logic does not. Actually I removed
`String.valueOf` from loops. Sorry for answering in comment, but there's no way
to add reply to your comment.
@HubertWo
Hi.
I find some time today for this question (finally).
`The only `String.valueOf` I have added are in high level methods, main
logic does not`
This statement be correct, but also be where I worried about performance.
Please look at the sources in JDK, where
`java.lang.AbstractStringBuilder#append(boolean b)`
In short, for basic types, should not convert them to String, but use
StringBuilder directly, will bring far better performance.
BUT I just foundout that you did not bring this issue, this issue is already
in commons-lang before your pr.
So I will not stop you from merging this in, but still I will find time to
refactor the whole `join` serial functions later.
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Issue Time Tracking
-------------------
Worklog Id: (was: 660024)
Time Spent: 7h 40m (was: 7.5h)
> Common behaviour for StringUtils join APIs when called with char or String
> delimiter
> ------------------------------------------------------------------------------------
>
> Key: LANG-1593
> URL: https://issues.apache.org/jira/browse/LANG-1593
> Project: Commons Lang
> Issue Type: Improvement
> Affects Versions: 3.4, 3.11
> Reporter: Kiruahxh
> Priority: Minor
> Time Spent: 7h 40m
> Remaining Estimate: 0h
>
> For now, join(int[], char) is working well.
> However, the same join method called with a string delimiter behaves
> differently : it returns a single memory address which is not the desired
> behavior.
> I think that, for coherence, calling StringUtils with a char or String
> delimiter should return the exact same value.
> Ex :
> {code:java}
> CLASSPATH="./commons-lang3-3.11.jar" jshell
> | Welcome to JShell -- Version 11.0.8
> jshell> import org.apache.commons.lang3.StringUtils
> jshell> int[] arr = {1, 2, 3, 4, 5, 6, 7};
> jshell> String result = StringUtils.join(arr, '-');
> result ==> "1-2-3-4-5-6-7"
> jshell> String result = StringUtils.join(arr, "-");
> result ==> "[I@69663380-"
> {code}
>
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