This chapter examines the various ways that data are made available to your programs by examining how and where that data is stored. The concepts presented in this chapter are important because inadvertent access to a program’s data is a frequent source of program bugs. As a general rule, you want to restrict the access to a piece of data as much as possible. That way, inadvertent changes to the data are less likely, resulting in programs that have fewer bugs.
Hiding Your Program Data
What’s the big deal about hiding data in a program? After all, if you hide the data “completely,” nothing ...
