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revised: 10/01/98, 12/09/99, 01/20/00, 01/14/06, 06/04/06, 10/08/08

CHAPTER 14 — Boolean Expressions

The if statements of the previous chapters ask 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 past AP Computer Science Tests.


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

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

Can you bake cookies with what you have?