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Objective-C Programming: The Big Nerd Ranch Guide by Aaron Hillegass

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15NSArray

Like NSString, NSArray is another class that Objective-C programmers use a lot. An instance of NSArray holds a list of pointers to other objects. For example, let’s say you want to make a list of three NSDate objects and then go through the list and print each date.

Create a new project : a Foundation Command Line Tool called DateList. Open main.m and change the main() function:

#​i​m​p​o​r​t​ ​<​F​o​u​n​d​a​t​i​o​n​/​F​o​u​n​d​a​t​i​o​n​.​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​[​]​)​
{​
 ​ ​ ​ ​@​a​u​t​o​r​e​l​e​a​s​e​p​o​o​l​ ​{​

 ​ ​ ​ ​ ​ ​ ​ ​/​/​ ​C​r​e​a​t​e​ ​t​h​r​e​e​ ​N​S​D​a​t​e​ ​o​b​j​e​c​t​s​ ​ ​ ​ ​ ​ ​ ​ ​N​S​D​a​t​e​ ​*​n​o​w​ ​=​ ​[​N​S​D​a​t​e​ ​d​a​t​e​]​;​ ​ ​ ​ ​ ​ ​ ​ ​N​S​D​a​t​e​ ...

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