static JSpinner jSpinner(final int value) {
  ret swing(func -> JSpinner {
    new JSpinner s;
    s.setValue(value);
    ret s;
  });
}

static JSpinner jSpinner(final int value, final int min, final int max) {
  ret swing(func -> JSpinner {
    jSpinnerCommitOnValidEdit(new JSpinner(new SpinnerNumberModel(value, min, max, 1)))
  });
}