Use a static member variable independent of any object. : Static « Language « C++

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C++ » Language » Static Screenshots  Use a static member variable independent of any object. #include <iostream> using namespace std; class myclass { public:   static int i;   void setInt(int n) {       i = n;    }   int getInt() {       return i;    } }; int myclass::i; int main() {   myclass object1, object2;      myclass::i = 100;                      // set i directly,  no object is referenced.   cout << "object1.i: " << object1.getInt() << '\n'; // displays 100   cout << "object2.i: " << object2.getInt() << '\n'; // also displays 100   return 0; }                     Related examples in the same category 1. Static function and static variable 2. Static function variable 3. Static Member Functions: its strictions 4. Static member functions: 'preinitialize' private static data 5. A static member variable example. 6. Init static data before object creation 7. A shared resource example. 8. Usage and effect of a static data member