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






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






3. 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.






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






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






6. 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 _.






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






8. C struct with a CGPoint origin and a CGSize size - in other words two c structs.






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






10. A view is an...






11. When making a tableView always...






12. @property - is using methods...






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






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






15. A UITableView usually needs three different pieces...






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






17. NSDictionary...






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






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






20. A view represents a _ area






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






22. When do we need to release our outlets?

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23. A _ handles touch events.






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






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






26. NSDate - class...






27. Execution of the break statement...






28. Class methods typically either create






29. Asking a class or object to execute a method






30. Also if you send the NSObject the _ message - you own that object.






31. class methods...






32. Property List...






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






34. 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






35. Three ways instances are created...






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






37. NSSet...






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






39. 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.






40. We can use dot notation to reference...

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41. NSNumber - class...






42. Designated initializer makes sure that every...






43. 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...






44. The designated initializer calls the _ designated initializer....

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45. What does autorelease mean?






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






47. 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






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






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






50. If a class declares a _ that is different from its superclass - you must override the superclass' _ to call the new _...







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