LinkedIn Scala

Linkedin Scala assessment

For the for-yield construct, is the scope separate between for-body and yield-body?

•  Yes and no. It is different depending on the for construct and what it does.
•  Yes, because the for section does not expose its scope.
•  No, because for-yield shares the same scope, even though they are within separate curly braces.
•  Yes, because they are within different curly braces.

Linkedin Scala skill assessment test

What is one way to implement pattern matching on methods?

• using string matching
• using case classes
• using monads
• using regex

Scala Linkedin assessment

What is the value of z after executing this code?

val y = List('a','b')

val z = y::List('c') 

• List(c,a,b)
• List(a,b,c)
• List(c,List(a,b))
• List(List(a, b), c)

Linkedin Scala Quiz

What term is used to specify a precondition?

• assert
• precondition
• mustHave
• require

Linkedin Scala test

Which Scala type may throw an exception or a successfully computed value, and is commonly used to trap and propagate errors?

• scala.Catch.Throw
• scala.util.ExceptionHandling
• scala.util.Try
• scala.exception.TryFinally

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