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2) Explain what is OOP?
3) What is the protocol in Objective C
4) What is the difference between polymorphism and abstraction?
5) What is parsing? Mention which class can you use for parsing of XML in iPhone?
6) Which class is used to establish a connection between applications to the web server?
7) What is an accessor method?
8) What is #import?
9) What is the class of a constant string?
10) List out the methods used in NSURL connection?
11) Explain class definition in Objective-C?
12) What is the use of category in Objective-C
13) What are the characteristics of the category?:
14) What is single inheritance in Objective-C?
15) What is polymorphism in Objective-C?
16) When would you use NSArray and NSMutableArray?
17) What is synthesized in Objective-C?
18) How is string represented in Objective-C?
19) Explain what is data encapsulation in Objective-C?
20) Explain how to call a function in Objective-C?
21) What are objective- C blocks?
22) What is the main difference between function calls and messages?
23) How messaging works in Objective-C?
24) Explain how the class “IMPLEMENTATION” is represented in Objective-C?
25) What is dot notation?
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