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:

True or False? Multiple classes can be imported from the same package by enclosing them in curly braces {}.

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?

You have created an array using val. Can you change the value of any element of the array—and why or why not?