Swift

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Last Update	09/17/2026
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Section 1: Getting Started

3Lessons ·
- 1: Setting Up Xcode and Swift Playgrounds
  
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- 3: Swift Package Manager Basics
  
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Section 3: Optionals

5Lessons ·
- 11: Optional Binding and Unwrapping
  
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Section 4: Object-Oriented and Value Types

7Lessons ·
- 17: Computed Properties and Property Observers
  
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- 20: Enums with Associated Values
  
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Section 5: Memory Management

4Lessons ·
- 22: Automatic Reference Counting Explained
  
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- 24: Avoiding Retain Cycles
  
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Section 7: Concurrency

4Lessons ·
- 31: Grand Central Dispatch Basics
  
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Section 8: Working with Collections

3Lessons ·
- 37: Sequence and Collection Protocols
  
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Section 9: Codable and Data Handling

5Lessons ·
- 38: Encoding and Decoding with Codable
  
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Section 11: Testing and Tooling

4Lessons ·
- 50: Documentation Comments and DocC
  
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Section 14: More Practice Exercises

4Lessons ·
- 59: Practice Exercise: Building a Simple Weather Data Model with Codable
  
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Section 15: More Standard Library

4Lessons ·
- 64: The Sequence and IteratorProtocol
  
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Section 16: Advanced Concurrency

3Lessons ·
- 66: Sendable and Data Race Safety
  
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Section 17: Foundation Framework Deep Dive

11Lessons ·
- 70: DateFormatter and ISO8601DateFormatter
  
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- 73: NotificationCenter for Event Broadcasting
  
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- 75: Calendar and DateComponents
  
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Section 18: URLSession and Networking Deep Dive

5Lessons ·
- 84: async/await with URLSession
  
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Section 19: Combine Framework

5Lessons ·
- 87: Subjects: PassthroughSubject and CurrentValueSubject
  
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- 88: Error Handling in Combine Pipelines
  
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Section 20: SwiftUI Fundamentals for Swift Developers

5Lessons ·
- 91: State and Binding Property Wrappers
  
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- 92: ObservableObject and @Published
  
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Section 22: Swift Package Manager Deep Dive

4Lessons ·
- 99: Package.swift Manifest In Depth
  
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Section 23: Swift Concurrency Deep Dive

5Lessons ·
- 104: Global Actors and @MainActor
  
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Section 24: More Language Features

5Lessons ·
- 112: Type Erasure with AnyObject and any
  
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Section 26: Testing Deep Dive

4Lessons ·
- 119: Mocking with Protocols
  
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Section 27: Data Structures and Algorithms in Swift

5Lessons ·
- 121: Implementing a Linked List in Swift
  
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- 123: Implementing a Hash Table in Swift
  
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- 125: Big-O Notation with Swift Examples
  
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Section 28: More Practice Exercises

4Lessons ·
- 128: Practice Exercise: Building a Custom Result Builder (DSL)
  
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Section 29: More Interview Practice

4Lessons ·
- 130: Common Swift Interview Questions on Protocol-Oriented Design
  
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- 131: Common Swift Interview Questions on Concurrency
  
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- 132: Whiteboard Practice: Implementing a Linked List in Swift
  
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Section 30: Swift Macros (Swift 5.9+)

4Lessons ·
- 134: Introduction to Swift Macros
  
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Section 32: Swift Interop Deep Dive

3Lessons ·
- 142: C Interop in Swift
  
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Section 33: iOS App Architecture Patterns

4Lessons ·
- 144: MVVM in Swift Applications
  
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Section 34: Performance and Debugging

4Lessons ·
- 151: Diagnosing Retain Cycles with Memory Graph
  
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Section 35: App Distribution and CI/CD

4Lessons ·
- 153: Fastlane for iOS Automation
  
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- 154: TestFlight Distribution Workflow
  
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Section 36: More Practical Projects

4Lessons ·
- 159: Building a Watch Complication with WidgetKit
  
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Section 37: SwiftData and Persistence

4Lessons ·
- 163: CloudKit Sync Basics
  
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Section 40: More Foundation Deep Dive

6Lessons ·
- 173: URL and URLComponents In Depth
  
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Section 41: Advanced Collections in Swift

4Lessons ·
- 178: Custom Collection Conformance
  
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- 180: OrderedSet and OrderedDictionary (Swift Collections Package)
  
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- 181: Deque from Swift Collections Package
  
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Section 42: Advanced Generics Practice

5Lessons ·
- 184: Opaque Types with some Keyword
  
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Section 44: watchOS and visionOS Development Basics

4Lessons ·
- 192: Building a Simple visionOS App
  
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Section 46: More Testing Practice

4Lessons ·
- 199: UI Testing with XCUITest In Depth
  
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- 201: Code Coverage Analysis in Xcode
  
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- 202: Continuous Integration for iOS with Xcode Cloud
  
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Section 47: Accessibility in Swift Apps

5Lessons ·
- 207: Accessibility Auditing with Xcode Accessibility Inspector
  
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Section 50: Swift Charts Framework

4Lessons ·
- 217: Building Bar and Line Charts with Swift Charts
  
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Section 51: More Interview and Algorithm Practice

5Lessons ·
- 224: Common Swift Interview Questions on Generics
  
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Section 52: Final Practice and Mastery

8Lessons ·
- 227: Practice Exercise: Building a Drag-and-Drop Interface in SwiftUI
  
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- 230: Practice Exercise: Building a Custom PreferenceKey for View Communication
  
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Section 55: App Store Guidelines and Review

4Lessons ·
- 243: Common App Store Review Rejection Reasons
  
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- 244: Privacy Manifest Requirements
  
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- 246: App Tracking Transparency Implementation
  
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Section 56: More Design and Architecture

4Lessons ·
- 250: Interview Practice: System Design for a Social Media iOS App
  
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