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. We can use dot notation to reference...






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






3. When a view controller presents a modal view controller - the _ of the modal view controller is set to be the parent of the presenting controller






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






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






6. Designated initializer makes sure that every...






7. NSString objects are usually sent _ rather than _...






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






9. When making a tableView always...






10. NSDictionary...






11. NSArray - class...






12. 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.






13. 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.






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






15. 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.






16. Delegation is an object oriented approach to






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






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






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






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






21. Class methods typically either create






22. Three ways instances are created...






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






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






25. Name of the method to be executed






26. 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...






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






28. 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 _.






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






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






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






32. Classes describe two things...






33. if you implemented both the setter and getter - the @synthesize method...






34. NSArray - important methods...






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






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. Center and frame are used to _ your view






38. When do you take ownership?...






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






40. Reducing details to focus on the core concepts






41. Why properties?






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






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






44. Number one use of protocols in iOS...






45. The integer prefix is...






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






47. class methods...






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






49. Hold data and know nothing about the user interface






50. NSDate - class...