increment counter variable with ++ operator : member variable « Class « C++ Tutorial

1. C++ Tutorial
2. Class
3. member variable

#include <iostream>  
  using namespace std;  

  class Counter  
  {  
     private:  
        unsigned int count;              
     public:  
        Counter() : count(0){  }  
        unsigned int get_count(){ return count; }  
        void operator ++ (){  
           ++count;  
        }  
  };  
  int main(){  
     Counter c1, c2;                     
    
     cout << "\nc1=" << c1.get_count();  
     cout << "\nc2=" << c2.get_count();  
    
     ++c1;
     ++c2;
     ++c2;
    
     cout << "\nc1=" << c1.get_count();  
     cout << "\nc2=" << c2.get_count() << endl;  
     return 0;  
  }