How to use

addPropertyChangeListener

method

in

javax.swing.JPasswordField

@Override
public void addValueChangeListener(PropertyChangeListener listener) {
  super.addPropertyChangeListener(VALUE_PROP_NAME, listener);
}

@Override
public void installListeners() {
  this.strengthCheckerListener = new PropertyChangeListener() {
    public void propertyChange(PropertyChangeEvent evt) {
      if (LafWidget.PASSWORD_STRENGTH_CHECKER.equals(evt
          .getPropertyName())) {
        Object newValue = evt.getNewValue();
        Object oldValue = evt.getOldValue();
        if ((newValue != null)
            && (newValue instanceof PasswordStrengthChecker)
            && (!(oldValue instanceof PasswordStrengthChecker))) {
          jcomp
              .setBorder(new BorderUIResource.CompoundBorderUIResource(
                  jcomp.getBorder(),
                  new StrengthCheckedBorder()));
        } else {
          // restore core border
          Border coreBorder = UIManager
              .getBorder("PasswordField.border");
          jcomp.setBorder(coreBorder);
          jcomp.setToolTipText(null);
        }
      }
    }
  };
  this.jcomp.addPropertyChangeListener(this.strengthCheckerListener);
}

.addPropertyChangeListener(this.substancePropertyChangeListener);

.addPropertyChangeListener(this.substancePropertyChangeListener);