BUTTON

import java.awt.EventQueue;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.util.Scanner;

import javax.swing.JButton;

public class userLogin extends JFrame {

	/**
	 *
	 */
	private static final long serialVersionUID = 1L;
	private JPanel contentPane;
	private JTextField user_tf;
	private JTextField pw_tf;
	private static userLogin frame;
    public static UserRegist registration;



	/**
	 * Launch the application.
	 */
	public static void main(String[] args) throws IOException {

		EventQueue.invokeLater(new Runnable() {
			public void run() {
				try {
					frame = new userLogin();
					frame.setVisible(true);

				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Create the frame.
	 */
	public userLogin() {
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		setBounds(100, 100, 383, 300);
		contentPane = new JPanel();
		contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
		setContentPane(contentPane);
		contentPane.setLayout(null);

		user_tf = new JTextField();
		user_tf.setBounds(153, 80, 143, 20);
		contentPane.add(user_tf);
		user_tf.setColumns(10);

		pw_tf = new JTextField();
		pw_tf.setFont(new Font("Webdings", Font.PLAIN, 11));
		pw_tf.setBounds(153, 139, 143, 20);
		contentPane.add(pw_tf);
		pw_tf.setColumns(10);

		JLabel lblUsername = new JLabel("Username");
		lblUsername.setBounds(37, 83, 91, 14);
		contentPane.add(lblUsername);

		JLabel lblPassword = new JLabel("Password");
		lblPassword.setBounds(37, 142, 91, 14);
		contentPane.add(lblPassword);

		JLabel lblKamiLogin = new JLabel("KAMI Login");
		lblKamiLogin.setFont(new Font("Tahoma", Font.PLAIN, 18));
		lblKamiLogin.setBounds(37, 23, 313, 22);
		contentPane.add(lblKamiLogin);

		JButton btnLogin = new JButton("Login");
		btnLogin.setBounds(207, 207, 89, 23);
		contentPane.add(btnLogin);

		JButton btnRegister = new JButton("Register");
		btnRegister.setBounds(37, 207, 89, 23);
		contentPane.add(btnRegister);

		class register implements ActionListener{
	        public void actionPerformed (ActionEvent e){
	        	frame.dispose();
                registration = new UserRegist();
                registration.setVisible(true);
	        }
		}
	        btnRegister.addActionListener(new register());



	}

}