For the for-yield construct, is the scope separate between for-body and yield-body?

What term is used to specify a precondition?

Which Scala type may throw an exception or a successfully computed value, and is commonly used to trap and propagate errors?

What is the data type of y after this code is executed? val y = (math floor 3.1415 * 2)

When using pattern matching, which character matches on any object?

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

Scala's "Unit" roughly corresponds to which Java type?

When a class inherits from a trait, it inherits all the code contained in the trait and implements the trait's:

True or False? Like pre 1.5 Java, Scala suffers from lack of genericity.

Does Scala support the return keyword?

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