import javax.swing.*; import java.awt.*; public class LimitValueSpinner{ public static void main(String[] args){ JFrame frame = new JFrame("Limiting value for a JSpinner"); SpinnerModel sm = new SpinnerNumberModel(0, -50, 100, 2); JSpinner spinner = new JSpinner(sm); JPanel panel = new JPanel(); panel.add(spinner); frame.add(panel, BorderLayout.NORTH); frame.setSize(400, 400); frame.setVisible(true); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); } }