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How can i change the size of the icon connected to the JButton

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When you connect icon to JButton( button.setIcon(icon); )you get very small icon, How can I change the size of this icon?

My code:(In this code you need to drag 1 file to the frame and look how small the icon)

    JFrame frame = new JFrame();    JPanel p = new JPanel();    p.setTransferHandler(new TransferHandler(){        @Override        public boolean canImport(TransferHandler.TransferSupport support) {            for (DataFlavor flavor : support.getDataFlavors()) {                if (flavor.isFlavorJavaFileListType()) {                    return true;                }            }            return false;        }        @Override        @SuppressWarnings("unchecked")        public boolean importData(TransferHandler.TransferSupport support) {            if (!this.canImport(support))                return false;            java.util.List<File> files;            try {                files = (List<File>) support.getTransferable()                        .getTransferData(DataFlavor.javaFileListFlavor);            } catch (UnsupportedFlavorException | IOException ex) {                return false;            }            for (File file: files) {                String name = file.getName();                JPanel panel = new JPanel();                Icon icon = FileSystemView.getFileSystemView().getSystemIcon(file);                JButton button = new JButton(name);                button.setIcon(icon);                panel.add(button);                p.add(panel);                SwingUtilities.updateComponentTreeUI(frame);            }            return true;        }    });    frame.add(p);    frame.setVisible(true);    frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);

In my expectation i want the option to change the size of the icon (I need the icon on the button)

I tried to get the img of the file (didn't work):

 Image img = ImageIO.read(file.getAbsolutePath());

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