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iOS Interview questions


Total available count: 30
Subject - Mobile Technologies
Subsubject - iOS
1
What is procedure to make a method private in Objective-C?
2
Is there any private methods in Objective-C?
3
How can we identify the method is public in Objective-C?
4
How can we identify the method is protected in Objective-C?
5
Differentiate between a delegate and notification?
6
What do you know about NSURLConnectionDownloadDelegate?
7
What do you know about NSURLConnectionDataDelegate?
8
What do you know about NSURLConnectionDelegate?
9
What do you know about plist(Property List)?
10
What is the difference between Asynchronous and Synchronous connection?
11
What do you know about Synchronous connection?
12
What do you know about Asynchronous connection?
13
In how many ways we can use NSURLConnection class and name them?
14
Name the different type of NSURLConnection Protocols?
15
What do you know about NSURLConnection?
16
Differentiate Background and Suspended execution states?
17
Differentiate Inactive and Active execution states?
18
How many types of execution states are available in iOS and name them?
19
What is the use of applicationWillTerminate( ) method?
20
What is the use of applicationWillEnterForeground( ) method?
21
What is the use of applicationDidEnterBackground( ) method?
22
What is the use of application DidBecomeActive( ) method?
23
What do you know about UIKit framework?
24
Which framework is used to construct applications user interface for iOS?
25
What are different types of JSON frameworks available in market?
26
Which JSON (JavaScript Object Notation)framework is supported by iOS?
27
What do you know about iOS?
28
What is the current version of iOS available in market and when it released?
29
Who developed the iOS and when it was released initially?
30
Which languages are used to develop iOS ?