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I'm building a small application in netbeans,I use a JSpinner component to set the quantity of a product.How can I set the spinner to take only positive values?Is there a choice inside Netbeans that I can set or a method for the
JSpinner
?
EXTRA:
spinner.setModel(new SpinnerNumberModel(0, 0, 20, 1));
public void makeUI() {
SpinnerModel modeltau = new SpinnerNumberModel(0.0002, 0.0001, 100.0000, 0.0001);
JSpinner spinner = new JSpinner(modeltau);
((JSpinner.NumberEditor) spinner.getEditor()).getFormat().setMaximumFractionDigits(4);
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(spinner);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);
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