only pure virtual function cant be executed, so A.who() can be executed

for example A,B,C,D are class all the 4 class contain one
method who() but the method who() implementaion is differnet
among each class. the relation among the 4 class are
A is base class and is inherited by B and C.and from this
two B and C where D is inherited.
the question is i want to display the output who() method in
all the classes(A,B,C,D)the output of who() method is
diferrent amond all the class(A,B,C,D)
------A------ virtuval who(print a)
override | |
who(print b) B C override who(print c)
| |
-------D------ override who(print d)

Question Posted / ana

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Answer Posted / ana

only pure virtual function cant be executed, so A.who() can
be executed
and since you override who() in B, C and D, the output is
different

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