vb.net barcode font Installing the Tools in Java

Drawer DataMatrix in Java Installing the Tools

Installing the Tools
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Once your .dmg file download is complete, double-click the file in the Finder. The Finder will open the .dmg file (see Figure 2-4) and mount the file on your desktop, just as if it were a hard drive.
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Figure 2-4. The Finder is opening and mounting our .dmg file.
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CHAPTER 2: Go Get the Tools!
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As you can see in Figure 2-5, the .dmg file will be mounted as a volume named Xcode Tools. Click Xcode Tools, and double-click the icon labeled XcodeTools.mpkg. XcodeTools.mpkg is the actual installer.
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Figure 2-5. The .dmg file mounted as the volume named Xcode Tools
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Once the installer launches, follow the instructions. In general, when given a choice, use the default settings. In other words, don t make any changes; just click the continue button. You won t be able to install Xcode on any drive other than your boot drive. Keep going until the installer tells you the tools are installed. This will take a few minutes.
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Once the installer is finished installing the tools, eject the Xcode Tools volume, just as you would any other volume. One way is to click the eject button to the right of the Xcode Tools entry in the Finder. Once the volume is ejected, it will disappear from the Finder. Once you are certain that the tools were installed properly, you might also want to delete the .dmg file from your downloads folder, just to save some hard drive space.
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CHAPTER 2: Go Get the Tools!
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Take Your Tools for a Test Drive
Now that you ve installed the tools, let s explore. The first thing to note is the new Developer folder at the top level of your hard drive. Go ahead and take a look. It is at the same level as your Applications folder. As you make your way down your programming path, you will spend a lot of time in the Developer folder.
Unix folks have created a very efficient system for describing where files live. Files and folders at the top level of your hard drive start with a slash character / , which is followed by the file or folder name. Thus, we might refer to /Applications or /Developer. To dive deeper, add another slash and another file or folder name. For example, inside the Applications folder is a Utilities subfolder, and inside that is an application named Terminal. Unix folks would refer to the Terminal application using this path: /Applications/Utilities/ Terminal. Get the idea
The tools package you just installed came with its own set of applications. They live inside their own Applications folder within the Developer folder. Unix folks refer to this folder as /Developer/Applications. We ll use this Unix path naming convention throughout this book, because it works really well.
To get to the /Developer folder using the Finder, click the icon for your main drive. Unless you renamed it, it will have the name Macintosh HD.
In the Finder, navigate into /Developer/Applications. Inside that folder, you ll find several subfolders along with a number of applications. The most important of these applications is the one named Xcode. As you ll learn throughout this book, Xcode is a program that helps you organize and build your own programs. Technically, Xcode is known as an integrated development environment (IDE). An IDE is a comprehensive, all-in-one, Swiss Army knife for programmers. IDEs typically feature a sophisticated source code editor (for writing your programs) and a variety of tools for building, running, testing, and analyzing your programs. As IDEs go, Xcode is quite a good one. If you are new to programming, don t let this detail overwhelm you. As you make your way through this book, you ll learn how to use Xcode to create, build, and run a ton of programs.
CHAPTER 2: Go Get the Tools!
All this will be old hat to you very soon. For the moment, our goal is to run Xcode, create a test program, and run the test program, just to verify that we have installed Xcode properly. Double-click the Xcode icon.
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