Consider Classes A,B and C,where a Is an Abstract Superclass,B

question 19

Multiple Choice

Consider classes A,B and C,where A is an abstract superclass,B is a concrete class that inherits from A and C is a concrete class that inherits from B.Class A declares abstract method originalMethod,implemented in class B.Which of the following statements is true of class C?

• A)Method originalMethod cannot be overridden in class C-once it has been implemented in concrete class B,it is implicitly final.
• B)Method originalMethod must be overridden in class C,or a syntax error will occur.
• C)If method originalMethod is not overridden in class C but is called by an object of class C,an error occurs.
• D)None of the above.

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