مشكلة فى كتابة الغة العربية فى Jtextfield

import java.awt.*;
import java.util.Locale;

public class ArTextField {

public static void main(String[] args) {
JTextField txt = new JTextField();
txt.setComponentOrientation(ComponentOrientation.getOrientation(new Locale("ar")));
JFrame frm = new JFrame();
frm.add(txt, BorderLayout.NORTH);
frm.setSize(400, 300);
frm.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frm.setVisible(true);
}
}

 import javax.swing.*;