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iOS SDK Interview Questions You\'ll Most Likely Be Asked
iOS SDK Interview Questions You'll Most Likely Be Asked

ISBN: 9781465794192

Price:   $19.95

Quantity :        
Book Description:

iOS SDK Interview Questions You'll Most Likely Be Asked is a perfect companion to stand ahead above the rest in today's competitive job market. Rather than going through comprehensive, textbook-sized reference guides, this book includes only the information required immediately for job search to build an IT career. This book puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer.

 

Table of Contents
1. Environment Overview
2. Structural Overview
    Classes
    Methods
    Pointers
    Data Types
3. Application Execution Flow
4. Memory Management
5. Language Fundamentals
6. Cocoa Touch Controls
7. Associative References
8. Fast Enumeration
9. Selectors
10. Errors and Exception Handling
11. Cocoa Touch Number and Date Classes
12. Connections
13. Disk Access
14. Arrays
15. Regular Expressions
16. HR Questions
17. INDEX
 

Includes:

a) 200 iOS SDK Interview Questions, Answers and Proven Strategies for getting hired as an IT professional

b) Dozens of examples to respond to interview questions

c) 51 HR Questions with Answers and Proven strategies to give specific, impressive, answers that help nail the interviews

d) 2 Aptitude Tests download available on www.vibrantpublishers.com

 

 

Sample from the book
(Below Questions and Answers are randomly taken from different pages of the book)
 

54: Implement synthesized methods for a property.

Answer:

-(NSString*) prop {

 return prop;

}

-(void) setProp: (NSString*) newProp {

 if (newProp != prop) {

 [prop release];

 prop = [newProp retain];

 } }

 

58: Why does the Boolean operator that test equality (==) returns false when comparing two values of pointer variables?

Answer:

It return false because the value of pointers are not the values of the objects, but memory addresses where the values are stored, and two different object may have the same values, but they will always have different addresses. The comparison operator will compare addresses and return false.

 

71: All the code you write in Objective-C is transformed into an executable file that first invokes the main() function. Where does Xcode write and store the main() function?

Answer:

It is automatically created in the main.m file, which resides in the group named Other Sources.

 

91: How would you describe a memory leak, if you were to think about using alloc for object instances?

Answer:

If an object is instanced locally in a method and is not deleted after it has finished its scope, the object continues to reside in memory, and every time the method is called, it will again create instances of the object, occupying more memory.

 

127: What is the Clip Subviews option?

Answer:

If a view has subviews and the button is checked, then the subviews will be drawn within the boundaries of the parent. Otherwise, they will be drawn completely, even if they exceed the bound of the parent. It is turned off by default.

 

158: Write the statements that check if multitasking is supported.

Answer:

UIDevice *device = [UIDevice currentDevice];

BOOL isSupported = NO;

if ([device respondsToSelector:@isMultitaskingSupported)])

isSupported = device.multitaskingSupported;

 

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