What is the output of the following code?

object MatchTest { def matchTest(x: Any): Any = x match { case 1 => "one" case "two" => 2 case y: Int => "scala.Int" } def main(args: Array[String]) { println(matchTest(2)) } }

Choose output of given code below?

For the code below, Choose the correct statement that describes an issue with the code?

Output of following code?

How to groupBy using multiple columns in Scala collections?

Choose correct output using the code?

Option that best describes the difference between a var and val definition in Scala?

In Scala everything is an Object, No ___?

Best description for the variance expression as following?

Which one is false about Futures and Promises?

For the type heirachy defined below, Choose the most correct statement below for the output?