// Hello-World java.util.Scanner;

public class users { public String user_name; public int user_id = 1; private String password; public static int count = 1; public static String input;

public users(String Ruser, String Rpassword) {

    this.user_id = count++;
    this.user_name = Ruser;
    this.password = Rpassword;
    count++;

    System.out.printf("User %s has been crated \n", Ruser);
    System.out.printf("Enter 'login' to log in or 'register' to open another account");

}

public static void login(String Luser, String Lpassword) {
    for (int i = 1; i <= count; i++) {
        System.out.printf("Enter 'login' to log in or 'register' to open another account");
        // user_id.users
        // if(this.user_name)
    }
}

public static void main(String[] args) {
    Scanner scanner = new Scanner(System.in);
    System.out.println("login");
    System.out.println("register");
    input = scanner.nextLine();


        while (input.equals("login")) {

            System.out.println("username");
            String Luser = scanner.nextLine();
            System.out.println("Password");
            String Lpassword = scanner.nextLine();
            int a = count;
            login(Luser, Lpassword);
            System.out.println("");
            input = scanner.nextLine();
        }
        while (input.equals("register")) {

            System.out.println("username");
            String Ruser = scanner.nextLine();
            System.out.println("Password");
            String Rpassword = scanner.nextLine();
            users count = new users(Ruser, Rpassword);
            System.out.println("");
            input = scanner.nextLine();
        }
        while ((!input.equals("register")) || (!input.equals("login"))) {
            System.out.println("invild option, chose login or regiser!");
            input = scanner.nextLine();


    }