Objective-C Programming: The Big Nerd Ranch Guide

8 Loops

In Xcode, create yet another new project: a C Command Line Tool named Coolness.

The first program I ever wrote printed the words, “Aaron is Cool”. (I was 10 at the time.) Write a program to do that now:

#​i​n​c​l​u​d​e​ ​<​s​t​d​i​o​.​h​>​

i​n​t​ ​m​a​i​n​(​i​n​t​ ​a​r​g​c​,​ ​c​o​n​s​t​ ​c​h​a​r​ ​*​ ​a​r​g​v​[​]​)​
{​
 ​ ​ ​ ​p​r​i​n​t​f​(​"​A​a​r​o​n​ ​i​s​ ​C​o​o​l​\​n​"​)​;​
 ​ ​ ​ ​r​e​t​u​r​n​ ​0​;​
}​

Build and run the program.

Let’s suppose for a moment that you could make my 10-year-old self feel more confident if the program printed the affirmation a dozen times. How would you do that?

Here is the dumb way:

#​i​n​c​l​u​d​e​ ​<​s​t​d​i​o​.​h​>​ i​n​t​ ​m​a​i​n​(​i​n​t​ ​a​r​g​c​,​ ​c​o​n​s​t​ ​c​h​a​r​ ​*​ ...