A is correct:
1- abstract method need a impletation
2- the method that call when is override is by real type of object not declared type (abstract class).
So if you remove is override method so when call is print 4
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ASPushkin
2 months, 1 week agod7bb0b2
1 year agoOmnisumem
1 year, 2 months agoStavok
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