In function main(), bis an object of derived class B
. Though, the class B is derived publicly from class
A, the status of members of base class remains unchanged. The object b can access public members, but
cannot access the private members directly. The private members of the base class can be accessed
using public member function of the base class.
The object b invokes the member function show() of derived class. The function show() invokes the
showx() function of base class.
The object b can access member functions defined in both base and derived class. The following statements
are valid: ...
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