iOS 5 App Development 2 Skill Assessment
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iOS 5 App Development 2 MCQ
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Free Sample Questions for iOS 5 App Development 2
How to tell if an object is of a particular class? (Write a line of code)
The document; possibly a database.
Option-click; option-double-click
[Object isMemberOfClass:[Classname class]]
Action
Answer:
[Object isMemberOfClass:[Classname class]]
How to instantiate an object?
The document; possibly a database.
Outlet; Action
1.) Ask another object to do it - e.g. with mutableCopy. 2.) Call a class method - 3.) [[Classname alloc] init];
@interface JGEmailLoginEmailViewController(){ NSMutableData _receivedData; }@property (weak -nonatomic) JGAppDelegate appDelegate;@property (weak - nonatomic) IBOutlet UITextField *txtfldEmailAddress;@end
Answer:
1.) Ask another object to do it - e.g. with mutableCopy. 2.) Call a class method - 3.) [[Classname alloc] init];
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