Multiple choice

Which of the following is not a characteristic of Extensions in Objective-C?

  1. An Extension can be declared for any class in the source code.

  2. It cannot be declared for any class in the source code.

  3. Extensions are also known as anonymous categories.

  4. The methods and variables declared inside the extensions are not accessible to the child classes.

  5. @interface keyword is used to declare the extension.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An extension cannot be declared for any class, only for the classes that have original implementation of source code.

Keep practicing — related questions