Udemy - Decoding Dictionaries - From Basics to Interview-Ready

Decoding Dictionaries: From Basics to Interview-Ready

https://WebToolTip.com

Published 8/2025
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Language: English | Duration: 2h 58m | Size: 2.41 GB

Learn Swift dictionaries from the ground up—perfect for beginners, job prep, and real iOS project work.

What you'll learn
Understand how to create and access Swift dictionaries effectively.
Safely unwrap and work with optional dictionary values.
Use default values to avoid crashes when accessing keys.
Group data using dictionaries for real-world scenarios.
Merge, map, and filter dictionaries in Swift.
Solve common interview problems using dictionaries.
Decode JSON into dictionaries using Swift’s Codable system.
Build dynamic lookup tables using key-value storage.
Reverse dictionary mappings with confidence.
Apply dictionary logic to SwiftUI and state management.

Requirements
Basic understanding of Swift syntax (variables, conditionals, loops).
Familiarity with arrays and simple data structures in Swift.
Experience writing functions and working with optionals.
Ability to run Swift code in Xcode or a Swift Playground.
Some exposure to how JSON data is structured (helpful but not required).
Comfort reading documentation and exploring examples independently.
A Mac with Xcode installed (version 13 or higher recommended).
No need for UIKit or SwiftUI experience—this course is logic-focused.
Ideal for beginners with a few weeks of Swift behind them.
No prior experience with dictionaries required—this course starts at the foundation.