Ready to learn Swift from scratch? In this Swift tutorial, you'll master one of the most fundamental concepts in the Swift programming language: variables and constants.

Resources:
📚 Full guide: 
https://codewithchris.com/learn-swift?utm_source=youtube&utm_medium=video&utm_campaign=learn_swift_lesson_3

By the end of this lesson, you'll know:

- What variables are and how to use the var keyword in Swift
- What constants are and when to use the let keyword
- How camel casing works in Swift naming conventions
- How to increment and decrement values using += and -=
- When to choose var vs let, and why you should default to constants

Whether you're a complete beginner or brushing up on Swift basics, this Swift tutorial walks you through everything with easy-to-follow analogies and hands-on coding challenges.

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0:00 - Introduction – Variables & Constants Overview
0:21 - Why Variables Matter in Real Apps
0:40 - The Cardboard Box Analogy
1:05 - Creating Variables in Swift (var keyword)
5:28 - Live Coding Demo Recap
5:37 - Naming Variables & Camel Casing
6:31 - Constants in Swift (let keyword)
7:43 - var vs let - Which Should You Use?
8:38 - Challenge: Build a Points Tracker
11:33 - Going Deeper with AI Prompts
12:50 - Wrap Up

#swiftprogramming  #learnswift #swifttutorial

CodeWithChris

An introductory Swift lesson covering variables and constants for beginners. Explains the var and let keywords using a cardboard box analogy, demonstrates type locking, camel case naming conventions, and compound assignment operators like +=. Includes a practical challenge simulating a game score tracker and tips on when to prefer constants over variables for easier debugging.

Learn Swift for Beginners 2026 - Lesson 3 - Variables and Constants