Account Java

import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Scanner;


public class Account {

    String userID;
    String password;
    String permissions;


    // Defining object
    public Account(){} //No argument constructor
    public Account(String userID, String password, String permissions) {
        this.userID = userID;
        this.password = password;
        this.permissions = permissions;
    }

    public static ArrayList<Account> userList = new ArrayList<Account>();

    public static void userDB() throws FileNotFoundException {
        /*q
         * While loop to scan the entire file and stop when there are no more
         * lines to process. At the end of reading a line it creates an object
         * and adds it to an arraylist for later use.
         */
        Scanner file = new Scanner(new File("userDB.txt"));
        while (file.hasNext()) {
            String userID = file.next();
            String password = file.next();
            String permissions = file.next();
            userList.add(new Account(userID, password, permissions));
                //if any blank lines caused by writing to file this will ignore them.
        }
        file.close();
    }

    @Override
    public String toString() {
        StringBuilder builder = new StringBuilder();
        builder.append("userID: ").append(userID);
        builder.append(", Password: ").append(password);
        if (permissions.equals("1")){
            builder.append(", Role: Patient");}
        if (permissions.equals("2")){
            builder.append(", Role: Doctor");}
        if (permissions.equals("3")){
            builder.append(", Role: Admin");}
        builder.append("\n");
        return builder.toString();
    }

    void saveTo(PrintWriter save) {
        save.println(userID + " " + password + " " + permissions);
        // Have to create a different method of printing to file so the appends
        // in toString don't change the layout of the original file/
    }

    private static void saveData() throws FileNotFoundException {
        final PrintWriter save = new PrintWriter("rooms.txt");
        for (Account u : userList){
            u.saveTo(save);}
        save.close();
        System.out.println("Data saved successfully.");
    }

    private static void addAccount() throws FileNotFoundException{
        userDB();
        Scanner console = new Scanner(System.in);
        System.out.println("Please enter a new user ID (must be 4 numbers long)");
        String newUserID = console.next();
        System.out.println("Please enter a new password");
        String newPassword = console.next();
        System.out.println("Please enter a role (Only type a single number: 1, 2 or 3)");
        System.out.println("1. Patient");
        System.out.println("2. Doctor");
        System.out.println("3. Admin");
        String newRole = console.next();
        userList.add(new Account(newUserID, newPassword, newRole));
        saveData();
        console.close();
    }


    public static Account login() throws FileNotFoundException {
        userDB();
        System.out.println(userList);
        Scanner console = new Scanner(System.in);


            boolean loggedIn = false;
            System.out.println("Please Login.");
            System.out.println("Username: ");
            String userID = console.next();
            System.out.println("Password: ");
            String password = console.next();
            Account user = new Account();

                for (Account u: userList){
                    if (u.userID.equals(userID) && u.password.equals(password)){
                        loggedIn = true;
                        System.out.println("Login Successful.");
                        user.setRole(u.permissions);

                        console.close();
                        }
                    break;
                    }
                if (!loggedIn){
                        System.out.println("Incorrect Login.");
                    }

                   return user;
    }

    public void setRole(String permissions){
        this.permissions = permissions;
    }

    public String getRole(){
        return permissions;
    }

}