public class Log{
private JTextField user = new JTextField(10);
private JPasswordField pass = new JPasswordField(10);
private int usertype=0;
private JPanel panel = new JPanel();
 
public Log(){
 
        panel.add(user);
        panel.add(pass);
        panel.add(button);
 
button.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e) {
              Login logs = new Login(user.getText(), pass.getText());
              //this one is querying the database and getting an int value for user type. 
                usertype = logs.getUsertype();
            }
        });
//some more codes to add to frame and stuff
 
}
public int getUserType(){
 return usertype;
 }
}

public class LogUI extends JInternalFrame{
    private JTextField user = new JTextField(10);
    private JPasswordField pass = new JPasswordField(10);
    private JPanel panel = new JPanel();
    private JButton button = new JButton("Login");
    private int usertype;
 
public LogUI(){
        panel.add(user);
        panel.add(pass);
        panel.add(button);
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
              Login lg = new Login(user.getText(), pass.getText());
                usertype = lg.getUsertype();
            }
        });
        this.add(panel);
        this.setTitle("Login");
        this.pack();
        this.setVisible(true);
    }
    public int getUsertype() {
        return usertype;
    }

public class Login {
    private int usertype;
    private ResultSet rs;
    private Statement st; 
    public Login(String user, String pass){
        try{
            SgmDb db = new SgmDb();
            st = db.connectToDB().createStatement();
            String query = "SELECT username, password, userType FROM user WHERE username='"+user+"' AND password = '"+pass+"'";
            st.executeQuery(query);
            rs = st.getResultSet();
            while(rs.next()){
                usertype = Integer.parseInt(rs.getString("userType"));
            }
            rs.last();
            if(rs.getRow()==0){
                JOptionPane.showMessageDialog(null, "Wrong username or password");
            }
        }catch(Exception e){
            JOptionPane.showMessageDialog(null, "Contact Admin, there is a problem");
 
        }
    }
    public int getUsertype(){
        return this.usertype;
    }
}

String s = rs.getString("userType");
System.out.println("|"+s+"|");
usertype = Integer.parseInt(s);

 
usertype = Integer.parseInt(rs.getString("userType"));

Log logObject = new Log();
int x = logObject.getUserType();
 
// int x is always 0. this is my problem.

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
 
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
 
public class RandomTest extends JPanel implements WindowListener{
 
	int random = 0;
	public RandomTest(){
		JButton button = new JButton("Click me");
 
		button.addActionListener(new ActionListener(){
 
			@Override
			public void actionPerformed(ActionEvent e) {
				// TODO Auto-generated method stub
				random = 5;
				System.out.println("Variable random is " + random);
			}
		});
		this.add(button);
	}
 
	public static void main(String[] args){
		JFrame frame = new JFrame();
		frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
		RandomTest test = new RandomTest();
		frame.add(test);
		frame.addWindowListener(test);
		frame.setSize(300,300);
		frame.setVisible(true);
	}
 
	@Override
	public void windowActivated(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void windowClosed(WindowEvent e) {
		// TODO Auto-generated method stub
		System.out.println("Window is closing. Variable random  = " + random);
	}
 
	@Override
	public void windowClosing(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void windowDeactivated(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void windowDeiconified(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void windowIconified(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
	@Override
	public void windowOpened(WindowEvent e) {
		// TODO Auto-generated method stub
 
	}
 
 
}

usertype = logs.getUsertype();
System.out.println(usertype);

button.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e) {
              Login logs = new Login(user.getText(), pass.getText());
              //this one is querying the database and getting an int value for user type. 
                usertype = logs.getUsertype();
            }
        });
//some more codes to add to frame and stuff
 
System.out.println(usertype); //WILL ALWAYS PRINT 0
 
}

/**
 *
 * @author j3c
 */
public class Starter extends JFrame {
 
    public Starter() {
 
        final LogUI logUI = new LogUI();
 
        JPanel panel = new JPanel();
        final JLabel label = new JLabel("usertype");
        JButton button = new JButton("get login");
        panel.add(label);
        panel.add(button);
        button.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e) {
                label.setText("" + logUI.getUsertype());
            }
        });
        add(panel);
        setTitle("Starter");
        setDefaultCloseOperation(3);
        pack();
        setLocationRelativeTo(null);
        this.setVisible(true);
    }
 
    public static void main(String[] args) {
        new Starter();
    }
}

package kekkaishi;
 
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.*;
 
class LogUI extends JFrame {
 
    private JTextField user = new JTextField(10);
    private JPasswordField pass = new JPasswordField(10);
    private JPanel panel = new JPanel();
    private JButton button = new JButton("Login");
    private int usertype;
 
    public LogUI() {
        panel.add(user);
        panel.add(pass);
        panel.add(button);
        button.addActionListener(new ActionListener() {
 
            public void actionPerformed(ActionEvent e) {
                //Login lg = new Login(user.getText(), pass.getText());// getText -->deprecated
                Login lg1 = new Login(user.getText(), pass.getPassword());
                usertype = lg1.getUsertype();
                int i = getUsertype();
                System.out.println("LogUI i=" + i);
            }
        });
        this.add(panel);
        this.setTitle("Login");
        this.pack();
        this.setDefaultCloseOperation(3);
        this.setVisible(true);
    }
 
    public int getUsertype() {
        System.out.println("LogUI getUsertype()" + usertype);
        return usertype;
 
    }
 
    public static void main(String[] args) {
        LogUI lo = new LogUI();
        System.out.println(lo.getUsertype());
        System.out.println("end of main(...)");
        ///}
        // but
        while (true) {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException ex) {
                //
            }
 
            System.out.println(lo.getUsertype());
        }
    }
}

package kekkaishi;
 
//import java.sql.*;
//import javax.swing.JOptionPane;
public class Login {
 
    private int usertype;
    //private ResultSet rs;
    //private Statement st;
 
    public Login(String text, char[] password) {
        ///..............simplified
        usertype = text.length();// to view result dependent of human action
    }
 
    public int getUsertype() {
        System.out.println("Login getUsertype()" + usertype);
        return this.usertype;
    }
}