Design Patterns used in Swift for iOS App Development

As Aristotle wrote, “The more you know, the more you realize you don’t know”. Many of us may have already been using some design patterns in software development perhaps not even realising we are doing so.

Design patterns are simply common architectural approaches observed in software engineering practices. The conviction of Design Patterns was popularized in 1994 by The Gang of Four book and translated to every object-oriented programming language, hence making it universally relevant.