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what is static data member and static member function? how can we overload a function?A static data member in C++ is a class variable that is shared among all objects of a class and is defined using the 'static' keyword. It has a single instance for the entire class, and its value is shared by all objects of that class. Unlike non-static class members, a static data member can be accessed without creating an instance of the class.A static member function in...