title: How can I add entries to an existing zip file in Java?
body: <blockquote>
    <p><strong>Possible Duplicate:</strong><br>
    <a href="https://stackoverflow.com/questions/2223434/appending-files-to-a-zip-file-with-java">Appending files to a zip file with Java</a>  </p>
  </blockquote>
  
  
  
  <p>Opening the file with a ZipOutputStream overwrites it. Is there a way to keep the file and just add new entries?</p>