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. A responder is responsible for...






2. NSValue - class...






3. When do you take ownership?...






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






5. Execution of the break statement...






6. UIImageView is used to...






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






8. id is a...






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






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






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






12. NSArray - important methods...






13. Defining variables - three parts...






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






15. Reducing details to focus on the core concepts






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






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






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






19. Delegation is an object oriented approach to






20. Primitives and C Structures...






21. In Cocoa Touch - the table view asks another object _ what it should display...






22. NSDate - class...






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






24. Whenever a UINavigationController is about to swap views - it sends out two messages






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






26. All objects are accessed using...






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






28. Number one use of protocols in iOS...






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






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

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






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






33. A view represents a _ area






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






35. A method in a _ is required unless its preceded by an @optional.






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






37. Files Owner...






38. NSSet...






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






40. NSDictionary...






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






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






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






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






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






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






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






48. 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.






49. If you aren't going to initialize an instance reference pointer at the moment you declare it by assigning a real value - it's a good idea to assign it _.






50. A view is an...