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Scala MCQs

How to return a value from a scala function?

private def checkValu() : Option[Integer] = { if(!list.isEmpty()){ for(value <-list){ val x = list.get(0) } } return (x) }

public def checkValu() : Option[Integer] = { if(!list.isEmpty()){ for(value <-list){ val x = list.get(0) } } return (x) }

None of the above

Answer

Correct Answer: private def checkValu() : Option[Integer] = { if(!list.isEmpty()){ for(value <-list){ val x = list.get(0) } } return (x) }

Explanation:

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