Nsstring Tutorials:
NSString is the plain-text character-string class in Cocoa and Cocoa Touch. See also NSMutableString, NSData and NSMutableData (for objects that contain bytes rather than human-language characters), and NSAttributedString and NSMutableAttributedString (for rich-text strings)
Disclimer: PCDS.CO.IN not responsible for any content, information, data or any feature of website.
If you are using this website then its your own responsibility to understand the content of the website