Scanner sc = new Scanner(System.in);
    ArrayList<User> list = new ArrayList<>();
    User u1 = new User("Dan", "123", 314.45);
    User u2 = new User("Steph", "1234",500);
    User u3 = new User("Ana", "12345", 314.45);
    User u4 = new User("Parsh", "12346",500);
    list.add(u1);
    list.add(u2);
    list.add(u3);
    list.add(u4);

    System.out.println("Enter user and pass: ");
    String userEntered = sc.next();
    String passEntered = sc.next();
    for(User user: list) {
        if(userEntered.equals(user.getName()) && (passEntered.equals(user.getPassword()))) {
            System.out.println(user);
            System.out.println("Login successfull");


        }else {
            System.out.println("no se puede");
        }
}