Beginning Programming with Java For Dummies, 6th Edition

Chapter 19

Out of Many, One

IN THIS CHAPTER

Using for loops to the max

Storing many values in a single variable

Working with groups of values

This chapter has nine illustrations. For these illustrations, the people at Wiley Publishing insist on the following numbering: Figure 19-1, Figure 19-2, Figure 19-3, Figure 19-4, Figure 19-5, Figure 19-6, Figure 19-7, Figure 19-8, and Figure 19-9. But I like a different kind of numbering. I’d like to number the illustrations figure[0], figure[1], figure[2], figure[3], figure[4], figure[5], figure[6], figure[7], and figure[8]. In this chapter, you find out why.

Some Loops in Action

The Java Motel, with its ten comfortable rooms, sits in a quiet place off the main highway. Aside from a small, separate office, the motel is just one long row of ground-floor rooms. Each room is easily accessible from the spacious front parking lot.

Oddly enough, the motel's rooms are numbered 0 through 9. I could say that the numbering is a fluke — something to do with the builder’s original design plan. But the truth is, starting with 0 makes the examples in this chapter easier to write.

You, as the Java Motel’s manager, store occupancy data in a file on your ...