C++ классы

class Cpp { 
  public: 
    byte number;
    void message() { 
       numder ++; 
    } 
}; 

void setup() {} 

void loop() { 
  Cpp objMessage; 
  objMessage.message(); 
  // Как Здесь! получить значение numder, не декларируя переменную в глобальную ? 
}

boolean bolTimer_state1, bolTimer_state2, bolTimer_state3, bolTimer_state4;

class _ClassTimer
{
    int number_timer;
    long OnTime;
    long OffTime;
    int timer_state;
    unsigned long previousMillis; // последний момент смены состояния

  public:

    _ClassTimer(int timer, long on, long off)
    {
      number_timer = timer;
      pinMode(number_timer, OUTPUT);

      OnTime = on;
      OffTime = off;
      timer_state = LOW;
      previousMillis = 0;
    }

    int Update()
    {
      unsigned long currentMillis = millis(); // текущее время в миллисекундах
      if ((timer_state == HIGH) && (currentMillis - previousMillis >= OnTime))
      {
        timer_state = LOW; // выключаем
        previousMillis = currentMillis; // запоминаем момент времени
        if (number_timer == 1) bolTimer_state1 = !bolTimer_state1;
        else if (number_timer == 2) bolTimer_state2 = !bolTimer_state2;
        else if (number_timer == 3) bolTimer_state3 = !bolTimer_state3;
        else if (number_timer == 4) bolTimer_state4 = !bolTimer_state4;
      }
      else if ((timer_state == LOW) && (currentMillis - previousMillis >= OffTime))
      {
        timer_state = HIGH; // выключаем
        previousMillis = currentMillis ; // запоминаем время
      }
    }
};

_ClassTimer Timer4(4, 500, 500);

class _ClassTimer
{
    int number_timer;
    long OnTime;
    long OffTime;
    int timer_state;
    unsigned long previousMillis; // последний момент смены состояния

  public:
    bool bolTimer_state1, bolTimer_state2, bolTimer_state3, bolTimer_state4;

    _ClassTimer(int timer, long on, long off) //конструктор
    {
      number_timer = timer;
      pinMode(number_timer, OUTPUT);

      OnTime = on;
      OffTime = off;
      timer_state = LOW;
      previousMillis = 0;
    }

    int Update()
    {
      unsigned long currentMillis = millis(); // текущее время в миллисекундах
      if ((timer_state == HIGH) && (currentMillis - previousMillis >= OnTime))
      {
        timer_state = LOW; // выключаем
        previousMillis = currentMillis; // запоминаем момент времени
        if (number_timer == 1) bolTimer_state1 = !bolTimer_state1;
        else if (number_timer == 2) bolTimer_state2 = !bolTimer_state2;
        else if (number_timer == 3) bolTimer_state3 = !bolTimer_state3;
        else if (number_timer == 4) bolTimer_state4 = !bolTimer_state4;
      }
      else if ((timer_state == LOW) && (currentMillis - previousMillis >= OffTime))
      {
        timer_state = HIGH; // выключаем
        previousMillis = currentMillis ; // запоминаем время
      }
    }
};

_ClassTimer Timer = new _ClassTimer(4, 500, 500); //создаем объект из конструктора

Timer.bolTimer_state1 = true; //Обращаться к публичным переменным