Static member function

A static member function in a class can access only other static members of a class or variables which are not members of its class. It can be invoked even without an object instance, unlike any other member functions:

 class stat{	int num;	public:	stat(int n = 0) {num=n;}	static void print() {cout <<"static member function" <

Static members are used when all other data members of an object are also static; when the function does not depend on any other object member (like print() above); or simply when a global function is undesirable so it is wrapped in a class.

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