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56

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2

Hello i need to merge many (1000-5000 a4 ) pdfs in java what is the best way to do it in java ?

+6  A: 

You can use iText.

iText PDF: your Java-PDF library

You can use iText to :

  • Serve PDF to a browser
  • Generate dynamic documents from XML files or databases
  • Use PDF's many interactive features
  • Add bookmarks, page numbers, watermarks, etc.
  • Split, concatenate, and manipulate PDF pages
  • Automate filling out of PDF forms
  • Add digital signatures to a PDF file
  • And much more...
Desintegr
I use the .net wrapper version of iText (iTextSharp) and can only recommend this library. It is very fast and easy to get to grips with. Plenty of examples on the interweb too on how to do what you're after with it.
CResults
+1, iText is the most powerful i guess, its the preferred PDF engine for most reporting tools
medopal
+1  A: 

Apache has a good library called PDFBox Check out the documentation for the PDFMergeUtility

Lirik