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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. [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.






2. 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 _.






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






4. class methods...






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






6. Center and frame are used to _ your view






7. When making a tableView always...






8. A view represents a _ area






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






10. How do I implement my drawRect?






11. Designated initializer makes sure that every...






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






13. NSString* s2 = [s uppercase String]; Is an example of what kind of instance?






14. Variable names tend to start with a _ letter; class names tend to start with an _ letter.






15. Files Owner...






16. All objects are accessed using...






17. NSDictionary...






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






19. @property - is using methods...






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






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






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






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






24. Instance Variables by default are called @protected meaning...






25. NSDate - class...






26. Primitives and C Structures...






27. Three ways instances are created...






28. UIImageView is used to...






29. In any application with UINavigationController - the navigation controller...






30. Class methods typically either create






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






32. When do we need to release our outlets?

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






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






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






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






37. Objective C only allows for single inheritance - so in regards to class you only ever see the following pattern






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






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

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40. Defining variables - three parts...






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






42. 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 _.






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






44. A view is a subclass of _






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






46. UITableViewController is a subclass of...






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






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






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






50. Delegation is an object oriented approach to







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