Arrays in Swift Explained: CRUD, count, append & loops |
Автор: RaiTech Labs
Загружено: 2025-12-17
Просмотров: 51
🎉 Welcome to Day 8 of #100DaysOfiOS!
In this lesson, we dive into one of the most important Swift fundamentals — Arrays.
Arrays are used everywhere in iOS development: task lists, products, messages, API responses, and SwiftUI List views. Understanding arrays is essential before moving into real-world apps.
📘 What you’ll learn in this video:
What arrays are and how they work in Swift
Creating arrays (empty, with values, repeating values)
Reading values using indexes
Using count and isEmpty
Adding elements (append, insert)
Updating existing values
Removing elements (remove, removeLast, removeAll)
Iterating over arrays using for-in
🧠 Why this matters
Arrays form the backbone of most iOS apps. Once you understand arrays, concepts like loops, dictionaries, SwiftUI lists, and API-driven UI become much easier.
🚀 Next Lesson:
Dictionaries in Swift — key-value data structures explained
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