chooser = new JFileChooser(); chooser.setSize(300, 200); if (chooser.showOpenDialog(this) == JFileChooser.APPROVE_OPTION) { ....... }
This doesn't work. Always opens in default size.
Try chooser.setPreferredSize(new Dimension(300, 200))
chooser.setPreferredSize(new Dimension(300, 200))