membuat syntax di source signup

  /*

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 * To change this template file, choose Tools | Templates

 * and open the template in the editor.

 */

package Cafe_Management_System;

import javax.swing.JOptionPane;

/**

 *

 * @author PC-14

 */

public class SignUp extends javax.swing.JFrame {

    public String emailPattern = "^[a-zA-ZQ-9]+[0]+[a-zA-Z0-9]+[.]+[a-zA-Z0-9]+$";

    public String mobileNumberPattern = "^[0-9]*$";

    /**

     * Creates new form menu

     */

    public SignUp() {

        initComponents();

        btnSave.setEnabled(false);

    }

    

    public void clear(){

        txtName.setText("");

        txtEmail.setText("");

        txtMobileNumber.setText("");

        txtAddress.setText("");

        txtPassword.setText("");

        txtSecurityQuestion.setText("");

        txtAnswer.setText("");

        btnSave.setEnabled(false);

        

    }

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

        // TODO add your handling code here:

         int a = JOptionPane.showConfirmDialog(null,"do you really want to   closeapplication","select",JOptionPane.YES_NO_OPTION);

    }