what is the c++ scope resolution operator?
The scope resolution operator (::) in C++ is used to define the already declared member functions (in the header file with the .h extension) of a particular class.
This problem is solved by introducing new operator scope resolution operator :: introduced in C++. The scope resolution operator : : is a special operator that allows access to a global variable that is hidden by a local variable with the same name. To understand the concept of scope resolution operator, consider this example. A program to demonstrate the use of scope resolution operator.