So far, after making Entities in our Data Model Editor, we instantiate NSManagedObjects using the Entity’s EntityDescription. Now that’s fine and dandy but there are some issues with this approach.

First off, when we want to set the attributes of the Managed Object, we can’t use dot syntax like we would when we set the properties of regular objects. Dot syntax is way cleaner and way more convenient than the setValue:forKey: method we’ve been using. Here are two reason why you would want to use dot syntax instead

1. When we use the value-key way of setting our attributes, we can…

We can learn a lot about Core Data by looking at Apple’s boilerplate code when we have Core Data checked in our project. So let’s have a looksie.

Let’s start by making a new project and checking Core Data.

Let’s have a look at the file structure

Learning Core Data can be a bit of a doozy with all the technical sounding jargon. Before jumping into how to use Core Data, getting to know a little background of the players in the framework can prove to be beneficial.

If this diagram doesn’t make sense, don’t worry about. We’re about to go through this stack in detail.

1. Entity Description ( NSEntityDescription ) TLDR: It’s the Core Data equivalent to a Class Description You can think of an entity description as a class description. Just like how you would make a Class for Dog and give it name, weight…