The scope resolution operator untangling a mess made by using
the same names for different kinds of entities

base class overridden member function using the scope resolution operator (: :):

The Fundamentals of C++ mt x,y; mt const * p; ... You can use the
scope resolution operator (::) to specify the desired identifier.

The scope resolutions operator is also used to find the value of a variable out of the scope of the variable.

Example:

int i=10;
main()
{

int i=5;

cout<<::i;
Cout<<i;
}

::i refers to the value just before the scope (i.e. 10).

scope resolution operator is used to access the global variables when they are declared by the same name as that of the local variables.

The scope resolution operator :: is used for the following :

1. access a data member of the parent class form the base class.

2. define a function for a class that is outside that class.

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