Q35
Suppose A is an abstract class, B is a concrete subclass of A, and both A and B have a default constructor. Which of the following is correct? 1. A a = new A(); 2. A a = new B(); 3. B b = new A(); 4. B b = new B();
A.
1 and 2
B.
2 and 4
AnswerC.
3 and 4
D.
1 and 3
E.
2 and 3
Answer: Option B
Solution
Answer: Option B
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