By Neal Goldstein
Because the basic programming language for iPhone, iPad, and Mac OS X functions, Objective-C is a reflective, object-oriented language that every one programmers needs to be aware of prior to developing apps. Assuming no past programming language event, this fun-and-friendly e-book offers you an effective figuring out of Objective-C. Addressing the most recent model of Xcode, debugging, code of completion, and extra, veteran writer Neal Goldstein is helping you achieve a high-quality starting place of this advanced subject, and filters out any pointless tricky technical jargon.
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Extra resources for Objective-C Programming For Dummies
Link the result to other precompiled modules. As you will see, the code you write is a relatively small part of what makes up your program. The rest is made up of all the plumbing you need to run the program, open and close windows, and do all that user interface stuff. Fortunately, that code is provided for you in a form that is easy to attach (link) to your program. A linker program takes your code, identifies all the things it needs, collects all pieces (from the disk), and combines them into the executable program you see in your applications or utilities folder.
The Never-Fail Programming Test: Write down the recipe for making a peanut butter and jelly sandwich. Answer: If what you wrote down looks anything like Recipe: Peanut Butter and Jelly Sandwich Ingredients Peanut Butter Jelly 2 slices of bread Directions Place the two slices of bread close to each other. Spread peanut butter on one slice of bread. Spread jelly on the other slice of bread. Put one slice of bread on top of the other. you’re ready to go. Although this example may seem overly simple, it generally illustrates what programming is all about.
3. Displaying the results of your adroitness on a monitor (or storing it away for future use). Computers are no doubt engineering marvels. But what will make you a good programmer is not your understanding of all that wizardry. No, what will make you a good programmer is taking the time to really understand the world of the user, and what you can do with a computer to make things better. For example, when I travel, I often zone out on the fact that even though it looks like Monopoly money, foreign currency actually does amount to something in dollars.