Explanation: In the above program, count() is a private static member function. The pub-
lic static function display() invokes the private static function count(). The func-
tion display() also displays the value of static variable c.
8.17.2 staticPublicMemberVariable
The staticpublic member variable can also be initialized in function main()like other
variables. The static member variable using class name and scope access operator can be
accessed. The scope access operator is also used when variables of same ...
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