What is the access scope of a protected method?

• A. Accessible only within the same class.
• B. Accessible to subclasses in any package.
• C. Accessible to all classes in the package.
• D. Both B and C are correct.

Answer: (D)

The access scope of a protected method in Java is nuanced and extends beyond just the defining class. A protected method is accessible in two main contexts: it can be accessed by subclasses even if they exist in different packages, and it is also accessible to all classes that reside within the same package as the class that defines the protected method.

This dual accessibility is key to understanding why both options regarding subclasses in any package and classes in the same package are correct. It allows for flexibility in object-oriented programming, especially in scenarios involving inheritance, where subclasses might enhance or modify the behavior defined in a parent class while maintaining a level of encapsulation.

Thus, the combination of these two access rights supports the conclusion that both aspects (subclass access across packages and class access within the same package) are integral to the concept of protected methods in Java, making the combined choice the most comprehensive representation of their access scope.