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Objective C MCQs

What is true regarding @protected?

The instance variable is accessible within the class that declares it and within classes that inherit it

The instance variable is accessible everywhere

The instance variable is accessible only with the class that declares it.

This is analogous to private_extern for variables and functions. Any code outside the class implementation’s image that tries to use the instance variable will get a link error

None of the above

Answer

Correct Answer: The instance variable is accessible within the class that declares it and within classes that inherit it

Explanation:

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