What is an NSObject?
The NSObject defines all things that are shared between all classes that extend from it: NSObject is the root class of most Objective-C class hierarchies. Through NSObject, objects inherit a basic interface to the runtime system and the ability to behave as Objective-C objects.
What is NSObject protocol?
The NSObject protocol defines a set of basic methods that all root classes are expected to implement. This way, code can count on those methods being there. The NSObject class conforms to the NSObject protocol, which means that the NSObject class implements these basic methods: @interface NSObject
What is an NSEntityDescription?
An NSEntityDescription object is associated with a specific class whose instances are used to represent entries in a persistent store in applications using the Core Data Framework.
What is NSManagedObject context?
An object space to manipulate and track changes to managed objects.
What is Nsdictionary?
An object representing a static collection of key-value pairs, for use instead of a Dictionary constant in cases that require reference semantics.
What is Nsproxy?
An abstract superclass defining an API for objects that act as stand-ins for other objects or for objects that don’t exist yet.
What kind of class is NSObject?
The root class of most Objective-C class hierarchies, from which subclasses inherit a basic interface to the runtime system and the ability to behave as Objective-C objects.
What is NSManagedObjectContext in Core Data?
NSManagedObjectContext. The NSManagedObjectContext object manages a collection of model objects, instances of the NSManagedObject class. It is possible for an application to have multiple managed object contexts. Each managed object context is backed by a persistent store coordinator.
What is persistent store coordinator?
A persistent store coordinator is an instance of NSPersistentStoreCoordinator . It has a reference to a managed object model that describes the entities in the store or stores it manages. The coordinator is the central object in a Core Data stack.
What is NSManaged context?
The context is where the objects that are being managed by core data are saved, that happens when you take an object from the dataBase or you create to save to it. The object model describes a coredata schema for the persistent store.
What is NSManagedObject in Core Data?
A base class that implements the behavior for a Core Data model object.