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    Question

    Which of the following statements about abstract classes

    is true?
    A An abstract class can be instantiated directly. Correct Answer Incorrect Answer
    B An abstract class must contain at least one abstract method. Correct Answer Incorrect Answer
    C An abstract class cannot have concrete (non-abstract) methods. Correct Answer Incorrect Answer
    D A class can inherit from multiple abstract classes in languages like Java. Correct Answer Incorrect Answer
    E Abstract classes are primarily used for creating utility functions. Correct Answer Incorrect Answer

    Solution

    Answer: B) An abstract class must contain at least one abstract method.

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