© Stefan Kaczmarek, Brad Lees and Gary Bennett 2018
Stefan Kaczmarek, Brad Lees and Gary BennettSwift 4 for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-3063-3_9

9. Comparing Data

Stefan Kaczmarek, Brad Lees1 and Gary Bennett2
(1)
Phoenix, Arizona, USA
(2)
Scottsdale, Arizona, USA
 
In this chapter, we will discuss one of the most basic and frequent operations you will perform as you program: comparing data. In the bookstore example, you may need to compare book titles if your clients are looking for a specific book. You may also need to compare authors if your clients are interested in purchasing books by a specific author. Comparing data is a common task performed by developers. Many of the loops you learned about in Chapter 8 will require ...

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