What is a higher-order function?

Which statement best describes an Iterator

True or False? Methods taking one argument can be used with infix syntax?

What is an expression following the "if" keyword?

What would be the result of: Option[String]("hi") match { case None=> "hello!" }

Scala is:

To denote a parameter that may be repeated, what should you place after type?

Which statement returns a success or a failure indicator when you execute this code? val MyFuture = Future {runBackgroundFunction() }

What does this code return? val x = 3; if (x > 2) x = 4 else x = x*2

You have written a Scala script. How would you access command-line arguments in the script?

What do you call objects with immutable state?