Change format for JFormattedTextField Dynamically in Java

import java.awt.BorderLayout;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
//from   ww w  .jav  a 2  s.com
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JTextField;
import javax.swing.text.DateFormatter;

public class Main {
  public static void main(final String args[]) throws ParseException {
    JFrame frame = new JFrame("Formatted Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JFormattedTextField f = new JFormattedTextField(new SimpleDateFormat("yyyy-M-d"));
    f.setValue(new Date());

    DateFormatter fmt = (DateFormatter) f.getFormatter();
    fmt.setFormat(new SimpleDateFormat("d/M/yyyy"));

    f.setValue(f.getValue());

    frame.add(f, BorderLayout.NORTH);

    frame.add(new JTextField(), BorderLayout.SOUTH);
    frame.setSize(250, 100);
    frame.setVisible(true);
  }
}