Objective-C for Absolute Beginners: iPhone, iPad and Mac Programming Made Easy

© Stefan Kaczmarek, Brad Lees, Gary Bennett, Mitch Fisher 2018

Stefan Kaczmarek, Brad Lees, Gary Bennett and Mitch FisherObjective-C for Absolute Beginnershttps://doi.org/10.1007/978-1-4842-3429-7_9

9. Comparing Data

Stefan Kaczmarek¹ , Brad Lees¹, Gary Bennett² and Mitch Fisher³

(1)

Phoenix, Arizona, USA

(2)

Scottsdale, Arizona, USA

(3)

Glendale, 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 specific books. You may also need to compare authors if your clients are interested in purchasing books by specific authors. Comparing data is a common task performed by developers. ...