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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. What happens when the last owner calls release?

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

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3. A command directed to an object is called an...






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






5. A view is a subclass of _






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






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






8. If the view has no subviews - create it programmatically; if it has subviews






9. 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 _.






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






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






12. NSNumber - class...






13. Class methods typically either create






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






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






16. A view is an...






17. Reducing details to focus on the core concepts






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






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






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






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






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






23. NSArray - class...






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

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






26. Ready-made instances...






27. Execution of the break statement...






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






29. NSArray - important methods...






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

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31. 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 _.






32. Name of the method to be executed






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






34. super - is used...






35. The integer prefix is...






36. UIImageView is used to...






37. 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.






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

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39. A responder is responsible for...






40. class methods...






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






42. When making a tableView always...






43. A UITableViewController can fill all three roles of...






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






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






46. Three ways instances are created...






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






48. Classes describe two things...






49. When do we need to release our outlets?

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50. @property - is using methods...







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