iOS interview question 2020

iOS Design Patterns

  •  A design pattern is a common solution to a software problem
  •  They are helpful for speeding up problem solving, ensuring that a developer doesn’t have to re-invent the wheel for every situation
  •  They also give developers a common vocabulary with which to get across high-level ideas with minimal explanation and full understanding

Q.Why design patterns?

A.Design patterns can speed up the development process by providing tested, proven development paradigms.

Q.Why iOS?

A.Design patterns are everywhere in iOS.Because iOS is a fairly specific platform, developers often face similar problems over and over, so there are a few design patterns that are extremely common in iOS.