How do I set a suggested file name using JFileChooser.showSaveDialog(…)?

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If I understand you correctly, you need to use the setSelectedFile method.

JFileChooser jFileChooser = new JFileChooser();
jFileChooser.setSelectedFile(new File("fileToSave.txt"));
jFileChooser.showSaveDialog(parent);

The file doesn’t need to exist.

If you pass a File with an absolute path, JFileChooser will try to position itself in that directory (if it exists).

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