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An abstract class is which of the following?

  • A.A class that has direct instances, but whose descendants may have direct instances.
  • B.A class that has no direct instances, but whose descendants may have direct instances.
  • C.A class that has direct instances, but whose descendants may not have direct instances.
  • D.A class that has no direct instances, but whose descendants may not have direct instances

Answer: B

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