O'Reilly logo

Cocoa Programming for OS X: The Big Nerd Ranch Guide by Aaron Hillegass, Adam Preble, Nate Chandler

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Using Standard Types

In this section, you are going to experiment with standard types in an Xcode playground. A playground lets you write code and see the results without the overhead of manually running an application and checking the output.

From Xcode’s window, select FileNewPlayground.... You can accept the default name for this file; you will only be here briefly. Make sure the platform is OS X.

Figure 2.2  Configuring a playground

Configuring a playground

Click Next and save this file where you saved the RandomPassword project that you created in Chapter 1.

When the file opens, notice that the playground is divided into two sections: ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required