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Specify the filename to be used for a file sent by a ServletTag(s): Servlet/JSP

Say that your servlet called ""/servlet/GetFile" send back a file to a client request. That file needs to be saved by the client. If you do nothing, the browser will suggest "GetFile" as the filename.

To specify the correct filename

String filename = "abc.dat" ;
File textFile = new File(filename);
response.setHeader("Content-disposition","inline; filename=" + filename );

// open the file and write it in the OutputStream
NOTE: For PDF output, see this HowTo