Class functions statics examples

#include "stdafx.h"
//Demonstrate

#include <iostream>

using namespace std;

class Critter //Class definition > defines a new type, Critter
{
    private:
        int m_Rage;

    public :
        int m_Hunger; // data member
        Critter(int hunger = 0, int rage = 0); //Constructor prototype

        int GetRage() const;
        void SetRage(int rage);

        void Greet(); //member function prototype

        static int s_Total; //Static member variable declaration // total numbers of Critters obj in existence

        static int GetTotal(); //Static function member prototype

};


int Critter::s_Total = 0; //Static member variable initialization

Critter::Critter(int hunger, int rage): //Constructor definition
    m_Rage(rage)
{
    cout << "New critter has been born" << endl;
    m_Hunger = hunger;
    ++s_Total;
}

int Critter::GetTotal() {       //Static member function defition
    return s_Total;
}


void Critter::Greet() //Member function definition
{
    cout << "Hi. I'm a critter. My hunger level is " << m_Hunger << ".\n";
}

int Critter::GetRage() const
{
    return m_Rage;
}

void Critter::SetRage(int rage) {
    if (rage < 0)
    {
        cout << "You can set the critters rage to a negative n. \n\n";
    }
    else
    {
        m_Rage = rage;
    }
}


int main() {
    Critter crit1(4);
    Critter crit2;

    //crit1.m_Hunger = 9;
    cout << "crit1's hunger lvl is: " << crit1.m_Hunger << ".\n";

    crit2.m_Hunger = 3;
    cout << "crit2's hunger lvl is: " << crit2.m_Hunger << ".\n\n";

    crit1.Greet();
    crit2.Greet();

    crit1.SetRage(6);

    cout << "Get the rage: " << crit1.GetRage() << ".\n\n";

    cout << "\n The number of Critters is: " << Critter::GetTotal() << "\n";
    //I can get access by any object of the class Ex:. cout << crit1.GetTotal();





    return 0;

}