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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. In the last line of an init method...






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






3. UIImageView is used to...






4. How do I implement my drawRect?






5. A _ handles touch events.






6. Reference Counting...






7. Each object does its own job - and presents to the rest of the world - to other objects - and indeed in a sense to the programmer - an opaque wall whose only entrances are the methods to which it promises to respond and the actions it promises to per






8. 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






9. All objects are accessed using...






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






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






12. super - is used...






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






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






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






16. When making a tableView always...






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






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






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






20. Reducing details to focus on the core concepts






21. NSDictionary...






22. class methods...






23. When do you take ownership?...






24. Property List...






25. [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.






26. NSString *s = @'Hello - World'; is an example of...






27. A view is a subclass of _






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






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






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






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






32. Defining variables - three parts...






33. 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 _.






34. 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






35. 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.






36. In a class method you cannot access...






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






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






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






40. 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....






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






42. 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.






43. Delegation is an object oriented approach to






44. 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 _.






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






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






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






48. Hold data and know nothing about the user interface






49. Primitives and C Structures...






50. Why properties?







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