gs gs111 Default Arguments vs Overloading, Upcasting and Downcasting - OOPs MCQ: Upcasting - Quiz No.2

gs gs111 OOP Object Oriented Programming Java Quiz

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Question 1: Which concept is needed because of implicit type casting use?
Question 2: When are the pointer types known for upcasting the objects?
Question 3: When are the object type known for upcasting the objects?
Question 5: Which among the following is true?


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