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Asked: 2026-05-20T15:15:35+00:00

I am attempting to make a program, and it involves a JFileChooser. I am

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I am attempting to make a program, and it involves a JFileChooser. I am trying to make it so that the users can only pick .zip files. My code is

JFileChooser finder = new JFileChooser();
finder.setFileFilter(new FileNameExtensionFilter(null, ".zip"));

This seems to me like it would run fine, however when I go to a folder with a .zip file, the .zip files are gray, and I can’t choose them. How do I fix this? Also, as a side question, how do I get rid of the “All Files” option in the JFileChooser window?

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1 Answer

  1. Editorial Team

    Use "zip" as an extension filter, not ".zip".

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