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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. Name of the method to be executed






2. Any other initializer a class has calls the _ designated initializer....

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3. In general - in Objective-C - a reference to an instance is a _ - and the name of the data type of what's at the far end of that pointer is the name of the instances's _.






4. The root view controller typically creates the next view controller - and the next _ creates the one after that






5. Keep view and model objects in sync - control the 'flow' of the application - and save the model objects out to the filesystem






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






7. A view is an...






8. If you aren't going to initialize an instance reference pointer at the moment you declare it by assigning a real value - it's a good idea to assign it _.






9. NSDate - class...






10. Only exists within the statement block there defined - outside of the block is fine






11. NSValue - class...






12. In Objective C - the name of a setter method is set plus the name of the instance variable it is changing - for example PossessionName would be...






13. For view controllers that are closely related - like a table view controller and its detail view controller - you can simply give them _ that point to each other.






14. If a break statement is executed from within a set of nested loops...






15. Views have three properties related to their location and size: @property _ _;






16. In a class method you cannot access...






17. Dynamic binding means that when we call a certain object's method - and there are several _ of that method - the right one is figured out at runtime.






18. NSArray - class...






19. A method in a _ is required unless its preceded by an @optional.






20. super - is used...






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






22. Order of the declarations for methods. _ come first - followed by _ - followed by any other methods...






23. A delegate is a pointer to an object with a set of methods the delegate-holder knows how to call. In other words - it's _ from a later created object






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






25. Proceed through the loop - jump back to the top and check again






26. Prefixing a character string with an @ symbol [specific - NSString class]...






27. It's class is sent the message alloc - which creates an instance of that class and returns a pointer to it - and then that instance is sent the message init - which gives its instance variables initial values.






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






29. What does autorelease mean?






30. In object oriented languages - we call methods that get and set instance variables accessors - individually we call them...

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31. The object to which a message is sent - the receiver can be referred to as self from inside the method that is invoked






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






33. Delegation is an object oriented approach to






34. 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 _.






35. NSString *s = @'Hello - World'; is an example of...






36. Also if you send the NSObject the _ message - you own that object.






37. NSString* s2 = [s uppercase String]; Is an example of what kind of instance?






38. Any individual object belonging to any class...






39. When an object is added to a NSMutableArray - that object is sent the message to retain;...






40. A view is a subclass of _






41. A UITableView usually needs three different pieces...






42. Asking a class or object to execute a method






43. Each class picks one _ as it's designated initializer....






44. A view represents a _ area






45. A class inherits all _ from its superclass and can add as many as it wants for its own purposes....






46. Also - because arrays only hold a pointer to an object...






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






48. All objects are accessed using...






49. Designated initializer makes sure that every...






50. If you have extra work you want to do on the view...






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