Mastering Swift 2 Programming (Video 53)

Mastering Swift 2 Programming (Video 53)

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

Created by

Quizizz Content

FREE Resource

This video tutorial discusses the Singleton pattern, a design pattern ensuring only one instance of a class exists during an application's lifetime. It covers the implementation of Singleton in Swift, highlighting best practices recommended by Apple. The video also addresses the controversy surrounding Singletons, noting their potential to complicate testing and encourage poor design choices. Additionally, it explores concurrency issues that can arise with Singletons and demonstrates how to resolve them using Grand Central Dispatch.

Read more

2 questions

Show all answers

1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the potential issues when multiple threads attempt to access a Singleton instance?

Evaluate responses using AI:

OFF

2.

OPEN ENDED QUESTION

3 mins • 1 pt

How can Grand Central Dispatch be used to manage access to a Singleton's resources?

Evaluate responses using AI:

OFF