Scope Resolution Operator

Definition of Scope Resolution Operator:-The scope access(or resolution operator)operator :: (the two semicolons)allow programmers to access a global name even if it is hidden by a local re-declaration of that name.

When we declare a variable it is available only to a specific part or block of the program.Remaining block cannot access the variable .The area of a block where the variable is accessed is known as the scope resolution operator.

Example:-#include

int a=10;

main()

int a=20;

cout<<"::a"<<::a;

cout<<"a="<

return 0;

Result:- 10

20