Mastering Java: The Ultimate Quiz for 'Thinking in Java'

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How do you invoke a protected method from a subclass?

  1. Directly, if in the same package

  2. Using super keyword

  3. By creating an object of the superclass

  4. It is not accessible from a subclass

The correct answer is: Directly, if in the same package

Directly invoking a protected method from a subclass is possible if they are in the same package. If the subclass is not in the same package as the superclass, then the method cannot be directly invoked. B and C are incorrect because they do not refer to the protection level of the method or the package. D is incorrect because a protected method can be accessed from a subclass, in this case, as long as they are in the same package.

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