Book Image

The Ultimate iOS Interview Playbook

By : Avi Tsadok
Book Image

The Ultimate iOS Interview Playbook

By: Avi Tsadok

Overview of this book

As an iOS developer, you must possess a diverse skill set encompassing Swift coding, design knowledge, and mastery of development tools. And while the demand for iOS developers remains high, the competition for landing your dream job has intensified in recent years. Being a skilled iOS developer is no longer enough — acing interviews is now just as essential as having technical expertise. In The Ultimate iOS Interview Playbook, you'll discover innovative ways to stand out as an iOS developer and pass every job interview. It will guide you to build your developer brand and present your skills to potential employers. This comprehensive guide covers over 100 interview questions, from Swift fundamentals and frameworks to complex design patterns and app architecture. You'll learn how to approach coding assessments like a pro and avoid red flags that could hinder your chances of success. Drawing from the author’s experience of interviewing hundreds of iOS developers and having been a candidate themself, this book addresses the challenges of showcasing your skills and knowledge within a limited timeframe. By the end of this book, you'll be ready to excel in any iOS interview, demonstrating your strengths and confidently tackling even the most challenging questions, ultimately paving the way to secure the job you've always wanted.
Table of Contents (20 chapters)
Part 1: Everything about Interviews
Part 2: Swift Language and Coding
Part 3: The Frameworks
Part 4: Design and Architecture

Mastering Core Data questions

Most interviewers don’t ask about general frameworks (besides UIKit, SwiftUI, and Foundation), but Core Data is considered an exception. Core Data is a fundamental framework in iOS development because it’s an optimized and simple solution for setting up our data layer and managing a persistent store.

Core Data evolved over the years and became a primary framework for many developers. It is integrated perfectly into the iOS development ecosystem, working perfectly with Xcode and other iOS frameworks.

There are several concepts to know about Core Data:

  • Data model: Core Data is built around a data model, which defines the data structure stored in the app. The data model is typically determined using Xcode’s data modeling tool and includes entities (which represent objects in the app), attributes (which describe properties of those objects), and relationships (which define how entities are related to each other).
  • Managed...