revised: 10/01/98, 12/09/99, 01/20/00, 01/14/06, 06/04/06

CHAPTER 14 — Boolean Expressions

The if statements of the previous chapters asked simple questions such as count < 10. Often simple questions are not enough. This chapter discusses ways to ask more complicated questions.

Chapter Topics:

Questions involving boolean expressions have been prominent on the AP Computer Science Test.


You have decided to bake some cookies (much cheaper than getting them at the Mall).

An interesting cookie recipe calls for 4 cups of flour and 2 cups of sugar. You look in your supplies and find 3 cups of flour and 2 cups of sugar.

Can you bake cookies with the supplies that you have?