Swift Literals


Definition:

Literals in Swift are hardcoded values embedded straight into your code when setting variables or constants.They represent raw data like numbers, characters, or text.


Types of Literals

1. Integer Literal: Whole numbers swift Copy Edit

let age = 30

2. Floating-point Literal: Decimal numbers swift Copy Edit

let price = 19.99

3. String Literal: Text inside quotes swift Copy Edit

let name = "Swift"

4. Boolean Literal: true or false

let isOpen = true

5. Character Literal: A single character

let letter: Character = "A"

6. Array & Dictionary Literals:

let fruits = ["Apple", "Mango"]
let scores = ["Math": 95, "Science": 90]

Why Use Literals?

  • Simple way to assign known values
  • Improves clarity in code
  • Speeds up variable initialization

Prefer Learning by Watching?

Watch these YouTube tutorials to understand GIT Tutorial visually:

What You'll Learn:
  • 📌 38. Image Literal in Swift - Learn Swift For Beginners
  • 📌 Swift 4 – Literals
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