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what is protocol? . The use of protocol?



what is protocol? . The use of protocol?..

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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