`Nil` is generally the same as:

What is the tool "schema2src" used for?

Classes in Scala, in contrast to Java, can have ______.

What is the defaut parameter call semantics?

Which statement about case classes is false?

In the expression: List(1,2,3) reduceLeft ( (a,b) => a+b ) `b` refers to:

What type of exception is thrown when a precondition is violated?

What is denotes the intersection between two sets?

What's the difference between .equals and ==?

Why would you make a field private?

When do you need to explicitly state the return type in a function definition?