Test your basic knowledge |

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. super - is used...






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






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






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






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






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. NSArray - class...






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






9. Hold data and know nothing about the user interface






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






11. UIView - designated initializer...






12. Three ways instances are created...






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






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






15. What does autorelease mean?






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






17. Asking a class or object to execute a method






18. Files Owner...






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






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






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






22. [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.






23. UIViewController has several methods that get called at certain times...






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






25. Primitives and C Structures...






26. If the view has no subviews - create it programmatically; if it has subviews






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






28. A view is an...






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






30. 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....






31. @property - is using methods...






32. NSDate - class...






33. What happens when the last owner calls release?






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






35. All objects are accessed using...






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






37. 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...






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






39. Name of the method to be executed






40. 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






41. Class methods typically either create






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






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






44. When do we need to release our outlets?






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






46. A view represents a _ area






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. NSValue - class...






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






50. When an object is removed from an NSMutableArray - that object is sent the message release;...