Udemy – Decoding Dictionaries: From Basics to Interview-Ready

File Name:	Decoding Dictionaries: From Basics to Interview-Ready
Content Source:	https://www.udemy.com/course/decoding-dictionaries-from-basics-to-interview-ready
Genre / Category:	Other Tutorials
File Size :	2.4 GB
Publisher:	Norbert Grover
Updated and Published:	August 24, 2025

Product Details

Dictionaries are one of the most essential tools in Swift, yet most iOS development courses barely scratch the surface. They show up in passing, but few—if any—courses are dedicated to mastering them. This course is different. Decoding Dictionaries: From Basics to Interview-Ready is the only course on the market that puts Swift dictionaries front and center, showing you how to manipulate, transform, and solve real problems with them. In the world of iOS development, being able to group, filter, restructure, and decode dictionary-based data is not just helpful—it’s critical.

Most online courses are built around what sells. This course is built around what you actually need to know to succeed as a mobile developer. If you’re serious about building clean, efficient, and interview-ready Swift code, this course gives you the skills that hiring managers quietly expect but few bootcamps or tutorials ever teach.

What You’ll Learn:

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Creating and safely accessing key-value data
Grouping, merging, mapping, and filtering dictionary content
Building dictionary-powered algorithms for real-world use
Solving common interview-style coding challenges using dictionaries
Parsing and decoding JSON into dictionaries using Codable
Using dictionaries to manage view state, model data, and more

Coding Challenges Include:

Grouping articles by tags
Counting word frequency from text input
Reversing a dictionary’s key-value pairs
Filtering based on nested keys and optional values
Building lookup tables dynamically
Custom decoding of nested JSON dictionaries

By the end of this course, you’ll have the fluency and confidence to use dictionaries not just to pass coding challenges—but to build production-ready features and think like a professional Swift developer.