Free
CourseLearn Swift: Arrays, Sets, and Dictionaries
Continue your Swift journey by learning these collection types: arrays, sets, and dictionaries!
Skill level
BeginnerTime to complete
Average based on combined completion rates — individual pacing in lessons, projects, and quizzes may vary4 hoursCertificate of completion
Included with paid plansPrerequisites
None
About this course
Continue your Swift learning journey! Incorporate collection types that allow you to store data in a meaningful way. Arrays store elements and keep the ordering, sets can sort a collection of unique data, and dictionaries create unique key-value pairs. Having these concepts under your toolbelt will ensure that you are able to store, access, and manipulate valuable information.
Syllabus
3 lessons • 5 projects • 3 quizzesMeet the creator of the course
Kenny Lin
Web Development Domain Manager at Codecademy Reviews from learners
- The progress I have made since starting to use codecademy is immense! I can study for short periods or long periods at my own convenience - mostly late in the evenings.ChrisCodecademy Learner @ USA
- I felt like I learned months in a week. I love how Codecademy uses learning by practice and gives great challenges to help the learner to understand a new concept and subject.RodrigoCodecademy Learner @ UK
- Brilliant learning experience. Very interactive. Literally a game changer if you're learning on your own.John-AndrewCodecademy Learner @ USA
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Related resources
- Article
What are Tuples?
Get an overview of what tuples are in Swift and see their application in iterating through dictionaries. - Article
Using Arrays to Group Data
Use arrays to keep track of your data in an orderly fashion. - Article
Arrays
Like vectors, the array is a data structure used in C++ to store a sequential collection of elements. Unlike vectors, its size cannot be changed.
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Unlock additional features with a paid plan
Practice Projects
Guided projects that help you solidify the skills and concepts you're learning.Assessments
Auto-graded quizzes and immediate feedback help you reinforce your skills as you learn.Certificate of Completion
Earn a document to prove you've completed a course or path that you can share with your network.