Static member functions. : static « Class « C++






  1. C++
  2. Class
  3. static

Static member functions.

  
#include <iostream>
using namespace std;
class Cat
{
public:
   Cat(int age):itsAge(age){count++; }
   virtual ~Cat() { count--; }
   virtual int GetAge() { return itsAge; }
   virtual void SetAge(int age) { itsAge = age; }
   static int GetHowMany() { return count; }
private:
   int itsAge;
   static int count;
};

int Cat::count = 0;

void TelepathicFunction();

int main()
{
   const int MaxCats = 5;
   Cat *CatHouse[MaxCats]; int i;
   for (i = 0; i<MaxCats; i++)
   {
      CatHouse[i] = new Cat(i);
      cout << "There are " << Cat::GetHowMany() << " cats alive!\n";
   }

   for ( i = 0; i<MaxCats; i++)
   {
      delete CatHouse[i];
      cout << "There are " << Cat::GetHowMany() << " cats alive!\n";
   }
   return 0;
}








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