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Need to add content of one pdf file to the end of the other

hello Experts ,
I am using itext for pdf manupilation ,
I have 2 files ,
I need to add the content of one file to the end of the other file , this is the code i have right now but for some reason instead of appending the content it completely overwrites the content of the file

PdfReader reader = new PdfReader(scr_filename.getInputStream());
                    // we retrieve the total number of pages
                    int n = reader.getNumberOfPages();
                    pageOffset += n;
                    List bookmarks = SimpleBookmark.getBookmark(reader);
                    if (bookmarks != null) {
                        if (pageOffset != 0)
                               SimpleBookmark.shiftPageNumbers(bookmarks, pageOffset, null);

                        // step 1: creation of a document-object
                        document = new Document(reader.getPageSizeWithRotation(1));
                        // step 2: we create a writer that listens to the document
                        writer = new PdfCopy(document , new FileOutputStream(outFile,true));
                        // step 3: we open the document
                        System.out.println(document.getPageNumber() );

                    // step 4: we add content
                    PdfImportedPage page;
                    for (int i = start_page; i < n; ) {
                        page = writer.getImportedPage(reader, i);

plz advice
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1 Solution
eldoz12Author Commented:
plz help
eldoz12Author Commented:
I need to use itext plz
Mayank SAssociate Director - Product EngineeringCommented:
Is this duplicate of http://www.experts-exchange.com/Programming/Programming_Languages/Java/Q_21780746.html ?

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