import java.util.*;
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class User{
    int rank;
    String name;
    String pass;

User(){
    Scanner s = new Scanner(System.in);

    System.out.println("  Loginn1.New usern2.Old user");
    int in = s.nextInt();

    for(;;){
        if(in == 1){
            //create new user
        }else if(in == 2){
            JFrame loginFrame = new JFrame();
            loginFrame.setVisible(true);
            loginFrame.setLayout(null);
            loginFrame.setSize(120+14,180+35);

            JLabel enterName = new JLabel("Enter Username:");
            enterName.setBounds(10,10,100,20);

            JTextField nameField = new JTextField();
            nameField.setBounds(120,10,130,20);

            JLabel enterPass = new JLabel("Enter Password:");
            enterPass.setBounds(10,40,100,20);

            JPasswordField passField = new JPasswordField();
            passField.setBounds(120,40,130,20);

            JButton hitEnter = new JButton("Login");
            hitEnter.setBounds(10,70,250,20);

            loginFrame.add(enterName);
            loginFrame.add(nameField);
            loginFrame.add(enterPass);
            loginFrame.add(passField);
            loginFrame.add(hitEnter);
            loginFrame.setSize(270+14,100+36);

            hitEnter.addActionListener(new ActionListener(){
                    public void actionPerformed(ActionEvent enter){
                        name = nameField.getText();
                        pass = new String(passField.getText());

                        boolean validUser = checkUser(filename,name,pass);

                        if(validUser){
                            loginFrame.setVisible(false);
                            //some how break the for loop from here
                        }
                    }
                });

        }else{
            System.out.println("Invalid input.");
        }
    }
}