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iOS Build a Blog Reader iPhone App Exploring the Master-Detail Template Master-Detail Template

Yang Bo
PLUS
Yang Bo
Courses Plus Student 8,503 Points

how difference protocol and interface

how difference(or similar) protocol and interface?

3 Answers

Amit Bijlani
STAFF
Amit Bijlani
Treehouse Guest Teacher

Interface is for the class definition. A protocol is usually for a delegate where you define a bunch of methods which can be implemented by any class.

Yang Bo
PLUS
Yang Bo
Courses Plus Student 8,503 Points

Can i thought that protocol is especial interface, only apply for delegate?

Yang Bo
PLUS
Yang Bo
Courses Plus Student 8,503 Points

for my understanding protocol, it is a way to implement multiple inheritance in objective-c. right?