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Which three of the following are true?
a).An abstract class cannot be instantiated
b) An interface can extend multiple interfaces
c) All methods in abstract class must be abstract
d) If a class B directly extends class A , then class B must implement all the abstract methods which are declared in class A
e) If concrete class C extends concrete class B, and B implements interface A , then all the methods from interface A can be invoked on an instance of C.

A.	A,B,C	B.	A,C,E
C.	A,B,E	D.	B,C,E
E.	B,D,E

Answer and Explanation

Answer:A,B,E

Explanation:
Option a) is true because abstract

Option b) is true. The interface always has public static abstract methods. Abstract methods of parent class should be implemented in child class

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