Returns the object associated with the specified key.
- iOS 2.0+
- macOS 10.0+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 2.0+
A key in the current user‘s defaults database.
The object associated with the specified key, or
nil if the key was not found.
This method searches the domains included in the search list in the order in which they are listed and returns the object associated with the first occurrence of the specified default.
The returned object is immutable, even if the value you originally set was mutable.