A Static Member Function can Access Only Static Members

A static member function does not receive an implicit this argument. It can be invoked even when no object instance exists:

 #include < ctime >using namespace std;class Clock {public:   static time_t getTime ( ){ return time (0); }//seconds elapsed since 1/1/1970 };main() {cout<

For this reason, a static member function can access only static data members and static member functions of its class.

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