Java tutorial
import java.awt.BorderLayout; import javax.swing.JComponent; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JSpinner; import javax.swing.SpinnerModel; import javax.swing.SpinnerNumberModel; public class Main { public static void main(String args[]) { JFrame frame = new JFrame(); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); SpinnerModel model = new SpinnerNumberModel(50, 0, 100, .25); JSpinner spinner = new JSpinner(model); JComponent editor = new JSpinner.NumberEditor(spinner, "#,##0.###"); spinner.setEditor(editor); JPanel panel1 = new JPanel(new BorderLayout()); panel1.add(spinner, BorderLayout.CENTER); frame.add(panel1, BorderLayout.SOUTH); frame.setSize(200, 90); frame.setVisible(true); } }