Oracle
1Z0-850 · Question #37
1Z0-850 Question #37: Real Exam Question with Answer & Explanation
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Question
Which three are true? (Choose three.)
Options
- AIf abstract class B directly extends abstract class A, class B must implement all abstract methods declared in A.
- BAn abstract class CANNOT be instantiated.
- CAn interface can extend multiple interfaces.
- DAll methods in an abstract class must be abstract.
- EIf concrete class C extends concrete class B, and B implements interface A, then all methods from interface A can be invoked on an instance of C.
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