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






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






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






4. Primitives and C Structures...






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






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






7. Each individual instance is a bundle of data that it maintains. Typically that data is private - which means that it's encapsulated as well; no other object knows what that data is or in what form it is kept. The only way to discover from outside wha






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






9. How do I implement my drawRect?






10. UIImageView is used to...






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






12. NSArray - important methods...






13. A view is an...






14. Ready-made instances...






15. When do we need to release our outlets?

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






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

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18. id is a...






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






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






21. Classes describe two things...






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






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






24. NSDictionary...






25. Why properties?






26. UIView - designated initializer...






27. An instance is a device for maintaining state. It's a box for _ of data.






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






29. A pointer to the object being asked to execute a method






30. A responder is responsible for...






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






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






33. Categories are an Objective C way to add _ to an existing class without subclassing






34. The designated initializer calls the _ designated initializer....

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






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






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






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






39. UITableViewController is a subclass of...






40. 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.






41. Defining variables - three parts...






42. Three ways instances are created...






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






44. 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.






45. When do you take ownership?...






46. A view represents a _ area






47. NSArray - class...






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






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






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






Can you answer 50 questions in 15 minutes?



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