gs gs111 OOps Classes - Object Oriented Programming MCQ: Abstract Class - Quiz No.1

gs gs111 OOP Object Oriented Programming Java Quiz

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Question 1: Which among the following best describes abstract classes?
Question 2: Can abstract class have main() function defined inside it?
Question 3: If there is an abstract method in a class then, ________________
Question 4: If a class is extending/inheriting another abstract class having abstract method, then _______________________
Question 5: Abstract class A has 4 virtual functions. Abstract class B defines only 2 of those member functions as it extends class A. Class C extends class B and implements the other two member functions of class A. Choose the correct option below.
Question 6: Abstract classes can ____________________ instances.
Question 7: We ___________________ to an abstract class.
Question 8: Which among the following is an important use of abstract classes?
Question 9: Use of pointers or reference to an abstract class gives rise to which among the following feature?
Question 10: The abstract classes in java can _________________


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