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Scala MCQs

Choose the best description that describes the Scala classes 'scala.AnyRef ' and 'scala.AnyVal'?

Value classes extend scala.AnyVal and are predefined types, reference classes extend scala.AnyRef and are user defined

Value classes extend scala.AnyVal and are predefined types, while reference classes extend scala.AnyRef and are used for primitive type objects

Value classes extend scala.AnyVal and are predefined types, while all other classes are reference classes that extend scala.AnyRef

Value classes extend scala.AnyVal and are predefined types, while other classes in the Scala language are reference classes that extend scala.AnyRef except user defined class which extend scala.ScalaObject class

Answer

Correct Answer: Value classes extend scala.AnyVal and are predefined types, while all other classes are reference classes that extend scala.AnyRef

Explanation:

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