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what is protocol? . The use of protocol?
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Answer / babu
Protocol is the named list of independent methods. Protocol declaration having two sections
@required
In this section you will declare all required methods. If a class adopting this protocol should implement all required methods
@optional
In this section you will declare all optional methods.
Eg: @protocol myViewProtocol
@required
-(void)passDataToNextClass : (NSString*)myViewName
@optional
-(void)passDataToNextClass : (NSString*)myViewName
@end
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