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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. @property - is using methods...






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






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






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






5. 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 _.






6. NSDate - class...






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






8. NSArray - important methods...






9. Ready-made instances...






10. Proceed through the loop - jump back to the top and check again






11. A view is a subclass of _






12. 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.






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






14. At the top of any implementation file...






15. Property List...






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






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






18. When do you take ownership?...






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

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20. [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.






21. Execution of the break statement...






22. 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






23. Primitives and C Structures...






24. Center and frame are used to _ your view






25. When overriding a method - all you need to is _ - you do not need to declare it in the header file because it has already been declared by the superclass....






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






27. A class inherits all _ from its superclass and can add as many as it wants for its own purposes....






28. Name of the new class - it's superclass - the instance variables that each instance of this class has - and any methods this class implements






29. Files Owner...






30. 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 _.






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

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32. id is a...






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






34. Asking a class or object to execute a method






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






36. The integer prefix is...






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

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38. Archiving works by creating an instance of _ - which is essentially just a container for data - and placing objects and their data inside it.






39. A _ handles touch events.






40. C struct with a CGPoint origin and a CGSize size - in other words two c structs.






41. Class methods typically either create






42. Defining variables - three parts...






43. UIView - designated initializer...






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






45. When do we need to release our outlets?

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






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






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






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






50. UIImageView is used to...







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