November 2013
Beginner
325 pages
9h 47m
English
Content preview from Objective-C Programming: The Big Nerd Ranch Guide
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Challenge
Re-open your project from the Chapter 21 challenge.
No one other than you (the creator of the BNRPortfolio class) needs to know that you are using an NSMutableArray to hold the BNRStockHolding instances.
Move the property declaration for the array into a class extension in BNRPortfolio.m and add methods to BNRPortfolio to allow the addition and removal of stock holdings.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.