CHAPTER 4

Using decision statements

After completing this chapter, you will be able to:

  • Declare Boolean variables.

  • Use Boolean operators to create expressions whose outcome is either true or false.

  • Write if statements to make decisions based on the result of a Boolean expression.

  • Write switch statements to make more complex decisions.

Chapter 3, “Writing methods and applying scope,” shows how to group related statements into methods. It also demonstrates how to use parameters to pass information to a method and how to use return statements to pass information out of a method. Dividing a program into a set of discrete methods, each designed to perform a specific task or calculation, is a necessary design strategy. Many programs need to solve ...

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