Cocoa Programming for OS X: The Big Nerd Ranch Guide
by Aaron Hillegass, Adam Preble, Nate Chandler
13 Basic Core Data
At this point, you have implemented an application that keeps track of an array of objects, takes care of undo, and handles saving and loading from a file. As you can imagine, there are an awful lot of applications like the one you just wrote.
Apple has made this type of application very easy to write. You have already seen how bindings and NSArrayController allow you to skip writing a lot of tedious, uninteresting code. With Core Data, you can even skip writing the data objects, saving and loading, and even undo.
That is right: using Core Data and bindings, the RaiseMan application you have written can be created with no code at all. In this chapter, you are going to create a simple Core Data application ...