Config the JFormattedTextField from JSpinner in Java

import java.awt.BorderLayout;
import java.awt.Color;
//ww  w.  j a va2  s  .c o m
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JSpinner;


public class Main {
  public static void main(String args[]) {
    JFrame frame = new JFrame("JSpinner Sample");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    
    JSpinner spinner = new JSpinner();

    // Disable keyboard edits in the spinner
    JFormattedTextField tf = ((JSpinner.DefaultEditor) spinner.getEditor()).getTextField();
    tf.setEditable(false);
    tf.setBackground(Color.white);

    // The value of the spinner can still be programmatically changed
    spinner.setValue(new Integer(100));

    frame.add(tf, BorderLayout.SOUTH);

    frame.setSize(200, 90);
    frame.setVisible(true);
  }
}