Java JFormattedTextField get/set formatter
import java.awt.FlowLayout; import java.text.SimpleDateFormat; import java.util.Date; import javax.swing.JFormattedTextField; import javax.swing.JFrame; import javax.swing.JLabel; import javax.swing.JTextField; import javax.swing.text.DateFormatter; public class Main extends JFrame { public Main() { super("JButton"); setDefaultCloseOperation(EXIT_ON_CLOSE); setLayout(new FlowLayout()); JLabel nameLabel = new JLabel("Value:"); // w w w.j a v a2 s .c o m JFormattedTextField name = new JFormattedTextField(new SimpleDateFormat( "yyyy-MM-dd")); name.setValue(new Date()); DateFormatter fmt = (DateFormatter) name.getFormatter(); fmt.setFormat(new SimpleDateFormat("d/M/yyyy")); JTextField text = new JTextField("Click here to see the validation result"); getContentPane().add(nameLabel); getContentPane().add(name); getContentPane().add(text); } public static void main(String[] args) { Main frame = new Main(); frame.pack(); frame.setVisible(true); } }