JComponent e = spinner.getEditor(); if (e instanceof JSpinner.DefaultEditor) { JSpinner.DefaultEditor de = (JSpinner.DefaultEditor) e; de.getTextField().setBorder(null); }
  protected void installDefaults()  {    LookAndFeel.installColorsAndFont(spinner, "Spinner.background",                                     "Spinner.foreground", "Spinner.font");    LookAndFeel.installBorder(spinner, "Spinner.border");    spinner.setLayout(createLayout());    spinner.setOpaque(true);  }