Free
CourseLearn Kotlin: Collections and Loops
Learn about lists, sets, and maps and different types of loops in Kotlin.
Skill level
BeginnerTime to complete
Approx. 5 hoursCertificate of completion
Included with paid plansPrerequisites
1 courseWe suggest you complete the following courses before you get started with Learn Kotlin: Collections and Loops:- Learn Kotlin: Introduction
About this course
Continue your Kotlin learning journey with Learn Kotlin: Collections and Loops. Learn about the various types of collections that exist in Kotlin, including lists, sets, and maps, and how to iterate through them by effectively implementing code repetition. Dive into multiple types of loops and jump expressions.
Syllabus
4 lessons • 2 projects • 2 quizzesThe platform
4 out of 5 Codecademy learners achieve their goals
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Projects in this course
- Project
Animal Sanctuary
In this lesson, you’ve learned about the various types of collections that exist in Kotlin. In this project, you’ll be honing your knowledge of lists, sets, and maps as well as all previously covered Kotlin concepts, by building a program that keeps track of a caregiver's daily responsibilities at an animal sanctuary. - Project
Shape Maker
Use the power of loops to output two-dimensional shapes and create patterns using loop mechanisms such as jump expressions and nested loops.
Meet the creator of the course

Jace van Auken
Curriculum Developer 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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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.