Q70
Which of the following is/are true for an abstract class? 1. A class is declared abstract by prefacing the definition with the word abstract. 2. A class is declare abstract by using the keyword implements. 3. It is a class that really isn’t supposed to ever be instantiated but instead serves as a base class. 4. Attempting to instantiate an abstract class results in an error.
A.
Only 2
AnswerB.
All of the mentioned
C.
2 and 4
D.
2, 3 and 4
Answer: Option A
Solution
Answer: Option A
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