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https://issues.apache.org/jira/browse/PDFBOX-5451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17550556#comment-17550556
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Maruan Sahyoun commented on PDFBOX-5451:
----------------------------------------

Maybe would could do the same as java.lang.String and return a new byte array 
too.
{code:java}
String.getBytes()
Encodes this String into a sequence of bytes using the platform's default 
charset, storing the result into a new byte array.
{code}

> Avoid copying byte array for COSString
> --------------------------------------
>
>                 Key: PDFBOX-5451
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-5451
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Parsing
>    Affects Versions: 3.0.0 PDFBox
>            Reporter: Andreas Lehmkühler
>            Assignee: Andreas Lehmkühler
>            Priority: Major
>             Fix For: 3.0.0 PDFBox
>
>
> When creating a COSString the given byte array is cloned. As in most cases 
> the array is just an intermediate object we should remove that to reduce the 
> memory footprint.
> Furthermore the {{getBytes}} returns the internal byte array so that I don't 
> see any reason not to use the given byte array itself instead of cloning it



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