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






2. A view represents a _ area






3. Why properties?






4. NSSet...






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






6. Reducing details to focus on the core concepts






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






8. A responder is responsible for...






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






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






11. Primitives and C Structures...






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






13. A view is a subclass of _






14. 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 _.






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






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






17. NSDate - class...






18. When making a tableView always...






19. What does autorelease mean?






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






21. super - is used...






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






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






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






25. Name of the method to be executed






26. 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 _.






27. After accessors have been defined in the header file...






28. Class methods typically either create






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

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30. Files Owner...






31. A _ handles touch events.






32. NSValue - class...






33. Defining variables - three parts...






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

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35. 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






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






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






38. Execution of the break statement...






39. Delegation is an object oriented approach to






40. All objects are accessed using...






41. NSNumber - class...






42. 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






43. You use _ to implement the view






44. The notion that the data for an object is stored in it's instance variables and is accessed only by the objects methods. This maintains the integrity of the data.






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






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






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






48. Ready-made instances...






49. When do we need to release our outlets?

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50. 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...