Question 1

Which of the following is NOT one of the three categories of collections we have studied?

Map

List

Set

Iterator

Question 2

Which of the following is NOT a wrapper class?

Character

String

Double

Integer

Question 3

Which of the following kinds of things may be stored directly in an ArrayList?

Either of these two kinds of data

object references

None of the above

primitive values

Question 4

In this declaration: ArrayList polygon; what do we call 'Point'?

a type argument

a collection

a variable

a wrapper class