Swift for Complete Beginners
Swift for Complete Beginners teaches you all the core concepts required to get started building apps with Swift and SwiftUI.
Introduction
Simple data
- How to create variables and constants
- How to create strings
- How to store whole numbers
- How to store decimal numbers
- How to store truth with Booleans
- How to join strings together
- Summary: Simple data
- Checkpoint 1
Complex data
- How to store ordered data in arrays
- How to store and find data in dictionaries
- How to use sets for fast data lookup
- How to create and use enums
- How to use type annotations
- Summary: Complex data
- Checkpoint 2
Conditions and loops
- How to check a condition is true or false
- How to check multiple conditions
- How to use switch statements to check multiple conditions
- How to use the ternary conditional operator for quick tests
- How to use a for loop to repeat work
- How to use a while loop to repeat work
- How to skip loop items with break and continue
- Summary: Conditions and loops
- Checkpoint 3
Functions
- How to reuse code with functions
- How to return values from functions
- How to return multiple values from functions
- How to customize parameter labels
- How to provide default values for parameters
- How to handle errors in functions
- Summary: Functions
- Checkpoint 4
Closures
- How to create and use closures
- How to use trailing closures and shorthand syntax
- How to accept functions as parameters
- Summary: Closures
- Checkpoint 5
Structs
- How to create your own structs
- How to compute property values dynamically
- How to take action when a property changes
- How to create custom initializers
- How to limit access to internal data using access control
- Static properties and methods
- Summary: Structs
- Checkpoint 6
Classes
- How to create your own classes
- How to make one class inherit from another
- How to add initializers for classes
- How to copy classes
- How to create a deinitializer for a class
- How to work with variables inside classes
- Summary: Classes
- Checkpoint 7
Protocols and extensions
- How to create and use protocols
- How to use opaque return types
- How to create and use extensions
- How to create and use protocol extensions
- How to get the most from protocol extensions
- Summary: Protocols and extensions
- Checkpoint 8
Optionals
- How to handle missing data with optionals
- How to unwrap optionals with guard
- How to unwrap optionals with nil coalescing
- How to handle multiple optionals using optional chaining
- How to handle function failure with optionals
- Summary: Optionals
- Checkpoint 9
Wrap up
