private void editName(java.awt.event.ActionEvent evt) {

String newName = JOptionPane.showInputDialog(this, "Name", people.get(current).getFirstName());
        if (newName != null)
            people.get(current).setFirstName(newName);
        update(people.get(current));

         newName = JOptionPane.showInputDialog(this, "LastName", people.get(current).getLastName());
        if (newName != null)
            people.get(current).setLastName(newName);
        update(people.get(current));
    }