iOS Interview Guide: Swift Properties

Nitin Aggarwal
12 min readSep 28, 2023

Top 18 interview questions on Swift properties like Stored, Computed, and Type and also, covered questions on getter, setters, lazy, etc.

Level: Intermediate, Priority: High

Swift properties are a core concept that you must be well-versed in. They form the basis for data management, encapsulation, and efficient code organization. In interviews, you can expect questions about property design, access control, computed properties, and more, making it a crucial topic to prepare for.

In this article, you will explore the most important questions that might be asked in your interviews. Also, properties are a very important topic in Swift, so it will help you to get a better understanding of them and how to use them in a proper way:

  • Stored Properties
  • Computed Properties
  • Getter & Setter
  • Lazy Initialization
  • Property Observers
  • Property Wrappers
  • Type Properties

Let’s start…

Q1: What are the stored properties?

A stored property is a variable or constant that is associated with a particular instance of a class or structure. It stores and keeps track of values that…

Create an account to read the full story.

The author made this story available to Medium members only.
If you’re new to Medium, create a new account to read this story on us.

Or, continue in mobile web

Already have an account? Sign in

Nitin Aggarwal
Nitin Aggarwal

Written by Nitin Aggarwal

Lead iOS Engineer, Mentor, Author, Writer; 📙 Released "iOS Interview Handbook" 🔗 topmate.io/nitinagam17/827990

Responses (1)

What are your thoughts?

Great article. Thanks.
There is one error you may consider correcting:
Under Q3 where you explain getters and setters, the scalefactor should be the square root of the scalefactor you used. This shows in the last print statement where the area…