Objective-C MCQ Test 2

1. How do you perform asynchronous network requests in Objective-C?

2. How do you implement 'copy' for your custom class in Objective-C?

3. What is the purpose of the 'NSRunLoop' class in Objective-C?

4. How do you create a custom exception in Objective-C?

5. How do you import a header file in Objective-C?

6. How do you use 'NSThread' for multithreading in Objective-C?

7. How do you define a constant in Objective-C?

8. What is the purpose of the 'init' method in Objective-C?

9. How do you create a custom view in Objective-C?

10. What is the purpose of the 'dispatch_async' function in Objective-C?

11. What is the purpose of the '__strong' specifier in Objective-C?

12. What is the purpose of the 'NSNotification' class in Objective-C?

13. How do you declare a block in Objective-C?

14. What is the purpose of the 'dispatch_semaphore' in Objective-C GCD?

15. What is the purpose of the 'atomic' property attribute in Objective-C?

16. Which data type is used for storing whole numbers in Objective-C?

17. What is the purpose of the '@synthesize' keyword in Objective-C?

18. What is the purpose of the '__weak' specifier in Objective-C?

19. How do you implement multithreading in Objective-C?

20. How do you declare a property in Objective-C?

21. What is the file extension for Objective-C source code files?

22. How do you perform background tasks in Objective-C?

23. Which symbol is used for pointers in Objective-C?

24. How do you perform asynchronous image loading in Objective-C?

25. What is the purpose of the 'NSPredicateEditor' in Objective-C?

26. How do you handle exceptions in Objective-C?

27. What is the significance of the '__block' specifier in Objective-C?

28. How do you handle memory management for properties in Objective-C?

29. What is the purpose of the 'IBAction' keyword in Objective-C?

30. What is the purpose of the 'NSCache' class in Objective-C?

31. What is the purpose of the 'self' keyword in Objective-C?

32. What is the purpose of the 'NSPredicate' class in Objective-C?

33. What is the purpose of the 'BOOL' data type in Objective-C?

34. How do you implement a custom setter for a property in Objective-C?

35. What is the purpose of the 'nonatomic' property attribute in Objective-C?

36. What is the purpose of the 'dispatch_source' in Objective-C GCD?

37. Which symbol is used for method declaration in Objective-C?

38. Which method is called when an object is deallocated in Objective-C?

39. Explain the concept of 'method swizzling' in Objective-C.

40. What is the purpose of the 'dispatch_suspend' function in Objective-C GCD?