Scanner input = new Scanner(System.in);
       String nama = "Aryo";
        String pass = "151111089";
        int count =1;
        boolean sah = false;

        while(sah || count <=2){
            System.out.print("masukan username : ");
            String u = input.nextLine();
            System.out.print("masukan passwoard: ");
            String p = input.nextLine();

            if (u.equalsIgnoreCase(nama)&& (p.equalsIgnoreCase(pass))){
                sah = true;
                break;
            } else {
                count++;
            }
        }
        if (!sah){
            System.out.println("Username atau Passwoard Salah, Anda Tidak di Izinkan Mengakses Sistem");
        } else {