What data type would you use to store an immutable collection of objects that contain a fixed number of varying types?

After defining a function in the interpreter, Scala returns the following. What does the () indicate? myfnc: ()Unit

What type of number is 1234.e5?

When you convert a map to a list using the toList method of the map, the result will be of which type?

What type of object does this code create? val x = (1234, "Active")

Which is a subclass of all classes?

True or False? Scala provides static members (members or fields).

When no super-class is specified, ______ is implicitly used.

What is the name of the Scala compiler?

Everything, including numbers and functions, are _______ in Scala.

What is a class with a single instance?