Swift

Curriculum

8 chapters, each with a tutorial, a live example, a quiz, an exercise, a challenge, and class practice.

1. 1

   Introduction to Swift

   Optionals and Swift's safety-first design.

   preview
2. 2

   Variables & Types

   let, var, and Swift's basic types.

3. 3

   Control Flow

   if/else, switch, and loops.

4. 4

   Functions

   Parameters, labels, and return types.

5. 5

   Optionals

   Unwrapping safely with if let and guard.

6. 6

   Classes & Structs

   Reference types vs. value types.

7. 7

   Closures

   Swift's inline, reusable blocks of code.

8. 8

   Protocols

   Swift's take on interfaces.