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. Why properties?






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






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






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






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






6. Defining variables - three parts...






7. Files Owner...






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






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






10. UITableViewController is a subclass of...






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






12. Class methods typically either create






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


14. When you send a message to _ - you are sending a message to _ - but demanding that the search for the method begin at the superclass....






15. You use _ to implement the view






16. Center and frame are used to _ your view






17. super - is used...






18. Ready-made instances...






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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






21. NSDate - class...






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






23. Primitives and C Structures...






24. Three ways instances are created...






25. In object oriented languages - we call methods that get and set instance variables accessors - individually we call them...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






27. Property List...






28. Never access a view controller's view in that...

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


29. id is a...






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






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






32. Execution of the break statement...






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






34. How do I implement my drawRect?






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






36. 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






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






38. Instance Variables by default are called @protected meaning...






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






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






41. Reference Counting...






42. 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






43. When making a tableView always...






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






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






46. In object oriented languages - we call methods that get and set instance variables

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183


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






48. A view is an...






49. All objects are accessed using...






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