program pembayaran listrik, + login di java

import javax.swing.JOptionPane;
import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
public class SimpelLogin extends JFrame implements ActionListener {
private JLabel label1, label2;
private JTextField txtUser;
private JPasswordField pwdPass;
private JButton btnLogin, btnExit;

public SimpelLogin() {
super ("Login Disini");

Container container = getContentPane();
container.setLayout(new FlowLayout());

label1 = new JLabel ("Username : ");
label2 = new JLabel ("Password : ");

txtUser = new JTextField (20);
txtUser.setToolTipText("Input Username");
pwdPass = new JPasswordField(20);

btnLogin = new JButton ("Masuk");
btnLogin.addActionListener(this);
btnExit = new JButton ("Keluar");
btnExit.addActionListener(this);

container.add(label1);
container.add(txtUser);
container.add(label2);
container.add(pwdPass);
container.add(btnLogin);
container.add(btnExit);

setSize (300,200);
setVisible (true);
}

public static void main (String args[]) {
SimpelLogin test = new SimpelLogin();
test.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}

private String user = "", pass = "";
public void actionPerformed (ActionEvent e) {
if (e.getSource() == btnLogin) {
user = txtUser.getText();
pass = pwdPass.getText();
if (user.equals("sugik") && pass.equals("sugik")) {
int pil,pil2,pil3,pil4,pil5; String p,p2,p3,p4,p5;


p=JOptionPane.showInputDialog(" *****MENU*****\n" +" ______________ \n"+
"1. HOME\n" +
"2. JENIS KAMAR & HARGA\n" +
"3. DATA PEGAWAI\n" +
"4. DATA PELANGGAN\n" +
"5. LAPORAN\n\n"+"MASUKAN PILIHAN ANDA :");
pil=Integer.parseInt (p);//JENIS PILIHAN MASUKAN KE MENU...

if(pil==1){
JOptionPane.showConfirmDialog(null,"\nSELAMAT DATANG DI SISTEM INFORMASI HOTEL BALI SUNSET","HOME",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE);
}
else if (pil==2){
JOptionPane.showConfirmDialog(null,"\nMENU YANG INI BELUM ADA COY","JENIS KAMAR & HARGA",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE);

}
else if(pil==3){
p2=JOptionPane.showInputDialog("JENIS PEGAWAI \n"+
"1.MANAGER\n"+
"2.SUPERPISOR\n"+
"3.OFFICE BOY\n"+
"4.KARYAWAN\n\n"+
"MASUKAN PILIHAN ANDA :");
pil2=Integer.parseInt (p2);//JENIS PILIHAN MASUKAN KE MENU...2
switch (pil2){
case 1 :
p3=JOptionPane.showInputDialog("DAFTAR MANAGER \n"+
"_____________________________________________________________________________________\n"+
"| NAMA | JABATAN | ALAMAT | NO TLPN | GAJI POKOK |\n"+
"|_____________________________________________________________________________________\n"+
"| sugik boy | manager marketing | baluk rening | 081936356259 | Rp.5000.000 |\n"+
"| anton ari | manager pemasaran | tukad daya | 081933364567 | Rp.5500.000 |\n"+
"______________________________________________________________________________________\n\n"+
"Anda ingin kembali ?");
pil3=Integer.parseInt (p3);//pilihan kembali ke menu sebelumnya...3 ingeta ne konden peragat!!!!!!!
break;

case 2 :
p4=JOptionPane.showInputDialog("DAFTAR SUPERPISOR\n"+
"_____________________________________________________________________________________\n"+
"| NAMA | JABATAN | ALAMAT | NO TLPN | GAJI POKOK |\n"+
"|_____________________________________________________________________________________\n"+
"| andik rai | super pisor | tegal badeng | 08193647567 | Rp.4000.000 |\n"+
"______________________________________________________________________________________\n\n"+
"Anda ingin kembali ?");
pil4=Integer.parseInt (p4);//pilihan kembali ke menu sebelumnya...4 ingeta ne konden peragat!!!!!!!
break;

default :
JOptionPane.showMessageDialog(null,"INPUTAN YANG ANDA MASUKAN SALAH");
}



}
else if(pil==4){
p5=JOptionPane.showInputDialog("DAFTAR MANAGER \n"+
"_____________________________________________________________________________________\n"+
"| NAMA | NO KAMAR YANG DIPESAN | ALAMAT | NO TLPN | GAJI POKOK |\n"+
"|_____________________________________________________________________________________\n"+
"| sugik boy | 1 | baluk rening | 081936356259 | Rp.5000.000 |\n"+
"| anton ari | 2 | tukad daya | 081933364567 | Rp.5500.000 |\n"+
"______________________________________________________________________________________\n\n"+
"Anda ingin kembali ?");
pil5=Integer.parseInt (p5);//pilihan kembali ke menu sebelumnya...5 ingeta ne konden peragat!!!!!!!


}

else if(pil==5){
JOptionPane.showConfirmDialog(null,"\nMENU YANG INI BELUM ADA COY","LAPORAN",
JOptionPane.OK_CANCEL_OPTION, JOptionPane.INFORMATION_MESSAGE);


}
else {
JOptionPane.showMessageDialog(null,"INPUTAN YANG ANDA MASUKAN SALAH");
}

}




} else {
JOptionPane.showMessageDialog(null, "username dan password salah !");
txtUser.setText("");
pwdPass.setText("");
txtUser.requestFocus(true);
}

if (e.getSource() == btnExit){
JOptionPane.showMessageDialog(null,"suksma... i love u bek gumi");
System.exit(0);
}


}
}