Learn Intermediate Swift

Learn how to use enumerations, optionals, closures, and access control to build robust and powerful Swift programs.

## Why Learn Intermediate Swift?

Swift is a modern programming language that has many powerful features. By learning more about the Swift language, you can build applications more quickly and easily maintain projects.


## Take-Away Skills

You will learn how to use enumerations to structure information and how to use optionals to handle values that might be absent. You will also learn how to write powerful higher-order functions that can work with many different types and how to use access control to better organize your code.

• Enumerations: Learn how to use enumerations to model data in Swift.
• Lesson: Enumerations
• Quiz: Enumerations
• Project: Numero Uno Software Store
• Optionals: Learn how to use optionals to handle data that might be nil.
• Lesson: Optionals
• Quiz: Optionals
• Project: School Database
• Closures: Learn how to use closures to define and call higher-order functions.
• Lesson: Closures
• Quiz: Closures
• Project: Calculator
• Properties and Access Control: Learn how to use properties and access control to protect information and respond to changes.
• Lesson: Properties and Access Control
• Quiz: Properties and Access Control
• Project: SwiftBank
• Protocols and Generics: Learn how to use protocols and generic to write powerful functions, structs, classes, and enums that work with many different types.
• Lesson: Protocols and Generics
• Quiz: Protocols and Generics
• Project: Green Thumb