Swift for Beginners

Swift is the language used to build iOS apps for iPhone and iPad. In this section, you'll find simple explanations and examples that make it easy to start coding, even if you've never written a program before.

• First Swift Program
  • Launching Playground
  • Writing Your First Swift Program
• Swift Comments
  • Single-Line Comments in Swift
  • Multi-Line Block Comments in Swift
• Swift Variables
  • Variables and Constants in Swift
  • Naming Rules for Swift Variables
• Swift Basic Data Types
  • How to Specify Data Types in Swift
  • Basic Data Types in Swift
• Swift Strings
  • Swift String Basics and String Interpolation
  • Concatenating and Splitting Strings in Swift
  • Replacing and Finding Strings in Swift
  • Escaping and Trimming Strings in Swift
  • Extracting Substrings in Swift
  • Converting and Formatting Strings in Swift
• Swift Operators
  • Arithmetic Operators in Swift
  • Comparison Operators in Swift
  • Assignment Operators in Swift
  • Logical Operators in Swift
  • Range Operators in Swift
• Swift Naming Conventions
• Swift Arrays
  • Swift Arrays - Modify and Add Elements
  • Swift Arrays - Removing Elements
  • Swift Arrays - Count and Element Positions
  • Swift Arrays - Sorting Elements
  • Swift Arrays - Loops, map, and filter
• Swift Sets
  • Swift Set - Creating and Adding Elements
  • Swift Set - Removing Elements
  • Swift Set - Counting and Checking Elements
  • Swift Set - Loop, map, and filter
  • Set Operations in Swift
  • Swift Set - Subsets, Supersets, and Disjoint Sets