LOGIN

klik start-All program-Netbeans
klik file-New project atau tekan CTRL+Shift+N untuk membuat project baru,
pada kotak dialog Step 1,pilih Categoris : Java dengan project : Java Aplication,kemudian klik next.
pada kotak dialog Step 1, isikan project Name, tentukan project location,kemudian klik finish.
pada source Packages,klik kanan New-Java Class
pana Class name ketik Nama class button,kemudian klik finish.
kemudian ketik source kode di bawah ini.

import javax.swing.*;
import java.awt.event.*;
public class button extends JFrame implements ActionListener {
final JTextField fnama = new JTextField(10);
final JPasswordField fpass = new JPasswordField(10);
JLabel luser = new JLabel("User");
JLabel lpass = new JLabel("Pass");
JButton btnSave = new JButton("ok");
JButton btnCancel = new JButton("Cancel");
public button() {
setTitle("Login");
setDefaultCloseOperation(3);
setSize(230,130);
btnSave.addActionListener(this);
btnCancel.addActionListener(this);
setLayout(null);
add(luser);
add(lpass);
add(fnama);
add(fpass);
add(btnSave);
add(btnCancel);
luser.setBounds(10,10,120,20);
lpass.setBounds(10,35,120,20);
fnama.setBounds(90,10,115,20);
fpass.setBounds(90,35,115,20);
btnSave.setBounds(10,70,90,20);
btnCancel.setBounds(115,70,90,20);
setVisible(true);
}
public void actionPerformed(ActionEvent event) {
if(event.getSource()==btnSave){
String nama = fnama.getText();
String pass = new String(fpass.getPassword());
if(pass.compareTo("java")==0)
{
JOptionPane.showMessageDialog(this," Loging Berhasil (^-^) ", "Message",
JOptionPane.INFORMATION_MESSAGE);
}
else
{
JOptionPane.showMessageDialog(this, "Login Gagal (^.^)","Message Alert",
JOptionPane.ERROR_MESSAGE);
System.exit(0);
}
}
if (event.getSource() == btnCancel) {
// fnama.setText("");
// fpass.setText("");
System.exit(0);
}
}
public static void main(String[] aregs) {
new button().setVisible(true);

}
}