import java.awt.BorderLayout;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import javax.swing.JFormattedTextField;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JTextField;
public class FormattedSample {
public static void main(final String args[]) {
JFrame frame = new JFrame("Formatted Example");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JPanel datePanel = new JPanel(new BorderLayout());
DateFormat format = new SimpleDateFormat("yyyy--MMMM--dd");
JFormattedTextField dateTextField = new JFormattedTextField(format);
datePanel.add(dateTextField, BorderLayout.CENTER);
frame.add(datePanel, BorderLayout.NORTH);
frame.add(new JTextField(), BorderLayout.SOUTH);
frame.setSize(250, 100);
frame.setVisible(true);
}
}