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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. Ready-made instances...






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






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






4. The root view controller typically creates the next view controller - and the next _ creates the one after that






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






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






7. Delegation is an object oriented approach to






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






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






10. Primitives and C Structures...






11. Execution of the break statement...






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






13. A view is a subclass of _






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






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






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






17. When making a tableView always...






18. Defining variables - three parts...






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






20. Classes describe two things...






21. 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 _.






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






23. 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.






24. 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.






25. super - is used...






26. In general - class methods tend to be factory methods - that is...






27. The designated initializer calls the _ designated initializer....

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28. Class methods do not operate on an _ or have any access to _ variables....






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






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






31. @property - is using methods...






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






33. NSNumber - class...






34. NSString objects are usually sent _ rather than _...






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






36. Class methods typically either create






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






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






39. A set of variables and associated methods. An object can be sent messages to cause one of its methods to be executed.






40. Property List...






41. Why properties?






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






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






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






45. [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.






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






47. 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.






48. Name of the method to be executed






49. What happens when the last owner calls release?

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50. The object to which a message is sent - the receiver can be referred to as self from inside the method that is invoked







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