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. A UITableView usually needs three different pieces...






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






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






4. NSArray - class...






5. How do I implement my drawRect?






6. Classes describe two things...






7. In Cocoa Touch - the table view asks another object _ what it should display...






8. Each individual instance is a bundle of data that it maintains. Typically that data is private - which means that it's encapsulated as well; no other object knows what that data is or in what form it is kept. The only way to discover from outside wha






9. super - is used...






10. UITableViewController is a subclass of...






11. [Instance Variables] The code it gets from its class and in a sense is shared with all other instances of that class - but the _ belong to it alone.






12. NSDictionary...






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


14. Inside a method - _ is an implicit local variable. Typically - _ is used so that an object can send a message to itself....






15. Why properties?






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






17. Each _ has a 'designated' initializer method....






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






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






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






21. Center and frame are used to _ your view






22. All objects are accessed using...






23. Files Owner...






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






25. @property declares - and _ implements the setter and getter...






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






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






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






29. 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






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






31. Whenever a UINavigationController is about to swap views - it sends out two messages






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






33. Hold data and know nothing about the user interface






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






35. To get the full path for a directory in the sandbox - you use the _ NSSearchPathForDirectoriesInDomains.






36. A collection object - an ordered list of objects that can be accesed by an index






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






38. A responder is responsible for...






39. To load a Xib file manually - you use _






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






41. 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 _.






42. A view is an...






43. Name of the method to be executed






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






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






46. You use _ to implement the view






47. A function in the objective c library that simply displays or logs it's argument






48. Categories are an Objective C way to add _ to an existing class without subclassing






49. 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 _.






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183