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C++ Scope resolution operator
The scope resolution operator ( :: ) is used for several reasons. For example: If the global variable name is same as local variable name, the scope resolution operator will be used to call the global variable. It is also used to define a function outside the class and used to access the static variables of class.
Here an example of scope resolution operator in C++ language,
Example
#include <iostream> using namespace std; char a = 'm'; static int b = 50; int main() { char a = 's'; cout << "The static variable : "<< ::b; cout << "\nThe local variable : " << a; cout << "\nThe global variable : " << ::a; return 0; }
Output
Here is the output
The static variable : 50 The local variable : s The global variable : m
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