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






2. Any individual object belonging to any class...






3. Ready-made instances...






4. Values to be supplied as the parameters to the method






5. A block of statements identified by a name that can accept one or more arguments passed to it by value and can optionally return a value






6. Class methods typically either create






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






8. When do you take ownership?...






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






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






11. Defining variables - three parts...






12. Files Owner...






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






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






15. NSValue - class...






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






17. When do we need to release our outlets?

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18. When making a tableView always...






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






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






21. Classes describe two things...






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






23. In Objective C - the name of a setter method is set plus the name of the instance variable it is changing - for example PossessionName would be...






24. In Objective C arrays can hold only...






25. NSNumber - class...






26. 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....






27. 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 _.






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






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






30. UIView - designated initializer...






31. @property - is using methods...






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






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






34. All objects are accessed using...






35. UITableViewController is a subclass of...






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






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






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






39. For view controllers that are closely related - like a table view controller and its detail view controller - you can simply give them _ that point to each other.






40. Designated initializer makes sure that every...






41. id is a...






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






43. Property List...






44. Execution of the break statement...






45. The designated initializer calls the _ designated initializer....

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46. What happens when the last owner calls release?

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






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






49. Prefixing a character string with an @ symbol [specific - NSString class]...






50. A _ handles touch events.






Can you answer 50 questions in 15 minutes?



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