Multiple choice

Which of the following Class Clusters are in Objective C?

  1. These are used to maintain a common abstract superclass for all the subclasses.

  2. These provide the specific values based on the inputs for all the subclasses.

  3. The abstract class for the Cluster can not be defined with the composite object.

  4. Bool is a Cluster class of NSNumber.

  5. It uses the functionality like abstract factory.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The composite object must declare itself to be a subclass of the cluster's abstract superclass.

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