Which statement is true about sealed classes.

Witch one of the following operators is use for sequencing Parsers

What is the largest Tuple that Scala supports?

Scala supports which types of polymorphism?

In Scala, type parameters and abstract types may be constrained by a _____.

The following code will > var x=100; var y=200; x->y

Which is not a member of the collections hierarchy?

What can you use to make querying a database more efficient, by avoiding the need to parse the SQL string every time a query is executed from Scala?

You want to create an iteration loop that tests the condition at the end of the loop body. Which iteration would you use?

What is an advantage of an immutable object?

What is the code below equivalent to? myClass.foreach(println _)