iOS is a mobile operating system, designed for Apple touchscreen mobile devices. Being familiar with the iOS ecosystem is a prerequisite for designing apps efficiently.
Event-based design patterns are very common in modern applications, especially in the development of user interfaces.
An understanding of user interface design is important for any good front-end developer.
Public questions (free plan) are common interview questions. They are great for practicing, or if you want to filter candidates using the classic problems.
Which of the following statements are true for UIViewController?