What are the characteristics of the category in Objective C?
3060
06-Jan-2017
Updated on 23-Sep-2020
Jonas Stuart
06-Jan-20171. A category can be declared if class source code does not exist.
2. Category will be available to all instances of original class and subclass.
3. During runtime, there's no difference between a method added by a category and method that is implemented by the original class.