Test your basic knowledge |

iOS 5 App Development Objective C

Subjects : it-skills, apple
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. In a class method you cannot access...






2. Use of class methods - there are three...






3. UIImageView is used to...






4. When do you take ownership?...






5. class methods...






6. Values to be supplied as the parameters to the method






7. What happens when the last owner calls release?

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8. A callback is a function that is supplied in advance of an event - and...






9. Why properties?






10. In general - class methods tend to be factory methods - that is...






11. SomeClass* aVariable = [[SomeClass alloc] init]; is an example of what kind of instance?






12. Class methods typically either create






13. Objective C only allows for single inheritance - so in regards to class you only ever see the following pattern






14. A block of statements identified by a name that can accept one or more arguments passed to it by value and can optionally return a value






15. All objects are accessed using...






16. If a class declares a _ that is different from its superclass - you must override the superclass' _ to call the new _...






17. In any application with UINavigationController - the navigation controller...






18. A responder is responsible for...






19. Reference Counting...






20. Object Oriented based analogue to a function is called a...






21. Files Owner...






22. Never access a view controller's view in that...

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23. NSDictionary...






24. id is a...






25. NSSet...






26. NSArray - important methods...






27. When an NSMutableArray is deallocated - it sends...






28. initWithFrame: the designated initializer for UIView gives the view






29. In object oriented languages - we call methods that get and set instance variables

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30. Classes describe two things...






31. How do I implement my drawRect?






32. NSArray - class...






33. Primitives and C Structures...






34. Origin of a view's coordinate system is _ left






35. Name of the new class - it's superclass - the instance variables that each instance of this class has - and any methods this class implements






36. A view exists within a hierarchy. The window (an instance of UIWindow) is a view and the root of the hierarchy. It has _ (that appear on the window). Those views can also have _.






37. Typically the designated initializer has parameters for the most important and frequently used _ of an object






38. Core foundation classes are prefixed with _ and suffixed with _






39. A command directed to an object is called an...






40. At the top of any implementation file...






41. In Objective C arrays can hold only...






42. Asking a class or object to execute a method






43. When do we need to release our outlets?

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44. In the last line of an init method...






45. UIViewController has several methods that get called at certain times...






46. A view represents a _ area






47. A message is always contained in square brackets - and has three parts






48. When you send a message to _ - you are sending a message to _ - but demanding that the search for the method begin at the superclass....






49. When the message endEditing: is sent to a view - if it or any of its subviews or currently the _ - it will resign its first responder statues - and the keyboard will be dismissed.






50. NSDate - class...