A developer must create a ShippingCalculator class that cannot be instantiated and must include a working default implementation of a calculate method, that sub-classes can override.
What is the correct implementation of the ShippingCalculator class?
A.
B.
C.
D.
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B
is correct because they said it must include working default implementation of a calculate method, that sub-classes can override.
A abstract class must have 1+ abstract method
Correct ans is A i guess…
Yeah B is correct.