What is block in objective c?
Answer / Satish Singh
A block is a piece of functionality that can be passed around and used in your app. A block combines a function and its environment into a single unit.
| Is This Answer Correct ? | 0 Yes | 0 No |
Is it possible to implement dealloc in arc?
How to restart app in objective c?
Which language does apple use?
How to create uibutton programmatically in objective c?
What are properties and instance variables in objective c and swift?
What are the size classes?
Why do we require class extension?
Can we create dynamic classes in objective c? If yes, explain how to create with a valid use case?
What is strong and weak in objective c?
How to print string in objective c?
How do you get closure?
How to declare global variable in objective c?