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. The notion that the data for an object is stored in it's instance variables and is accessed only by the objects methods. This maintains the integrity of the data.






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

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






4. A responder is responsible for...






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

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6. [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.






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






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






9. When an NSMutableArray is deallocated - it sends...






10. 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.






11. A view represents a _ area






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






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






14. In general - class methods tend to be factory methods - that is...






15. 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...






16. Property List...






17. Reducing details to focus on the core concepts






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






19. Views have three properties related to their location and size: @property _ _;






20. NSDate - class...






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






22. NSArray - class...






23. class methods...






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






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






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






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






28. NSDictionary...






29. Use of class methods - there are three...






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






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






32. Each individual instance is a bundle of data that it maintains. Typically that data is private - which means that it's encapsulated as well; no other object knows what that data is or in what form it is kept. The only way to discover from outside wha






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






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






35. 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






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






37. Designated initializer makes sure that every...






38. Center and frame are used to _ your view






39. Delegation is an object oriented approach to






40. The designated initializer calls the _ designated initializer....

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






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






43. Reference Counting...






44. The integer prefix is...






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

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






47. Asking a class or object to execute a method






48. Defining variables - three parts...






49. To load a Xib file manually - you use _






50. Why properties?