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Adding files to existing zip archive

 
Greenhorn
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Hullo
I want to add a file to already existing zip archive but it always replaces the files in zip with new ones. I am opening file stream as appendable but stil it is not working. I am using the following code
 
Ranch Hand
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The built-in Java archive classes contain no support for modifying an existing archive. They only let you build one from scratch. To modify an archive, you must copy it to another archive, performing the modifications along the way.
For more info:
http://www.javaworld.com/javaworld/jw-10-2000/jw-1027-toolbox.html
I think this will solve ur problem.
 
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