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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. NSDate - class...






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






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






4. The only reason to temporarily own an object - is...






5. The class is responsible for what instance variables the instance has - but not the _ of those variables.






6. Each object does its own job - and presents to the rest of the world - to other objects - and indeed in a sense to the programmer - an opaque wall whose only entrances are the methods to which it promises to respond and the actions it promises to per






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






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






9. When an object is removed from an NSMutableArray - that object is sent the message release;...






10. id is a...






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

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12. Execution of the break statement...






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






14. Files Owner...






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






16. The designated initializer calls the _ designated initializer....

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

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






19. A set of variables and associated methods. An object can be sent messages to cause one of its methods to be executed.






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






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






22. A view is a subclass of _






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






24. When making a tableView always...






25. NSValue - class...






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






27. Delegation is an object oriented approach to






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






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






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






31. What does autorelease mean?






32. Asking a class or object to execute a method






33. When do you take ownership?...






34. 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






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






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






37. A pointer to the object being asked to execute a method






38. @property - is using methods...






39. super - is used...






40. A _ handles touch events.






41. NSNumber - class...






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






43. 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 _.






44. 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...






45. Just a floating point number - but we always use it for graphics.






46. Class methods do not operate on an _ or have any access to _ variables....






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






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






49. 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 _.






50. Reducing details to focus on the core concepts







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