A

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Q. Which of the following statements regarding abstract classes are true?

  • (A) An abstract class can be extended.
  • (B) A subclass of a non-abstract superclass can be abstract.
  • (C) A subclass can override a concrete method in a superclass to declare it abstract.
  • (D) All of the above
  • Correct Answer - Option(D)
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  • Filed under category Java
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