Software Engineering

1,056 learners

Learning Simple Data Structures in Kotlin

Explore Kotlin's native data structures like arrays, lists, and maps. This course strengthens your skills to handle varying data sizes in coding. You'll get a deeper understanding of Kotlin while continuing to strengthen your general coding skills.

Kotlin

See path

5 lessons

24 practices

2 hours

Course details

Exploring Arrays in Kotlin: Creation, Accessing, and Properties

Preview

Exploring Subway Lines with Arrays in Kotlin

Last Car in the Subway Array

Subway Line Selector Challenge

Add Final Destination Display to Subway Stops Program

Exploring Arrays with a Subway System in Kotlin

Previous Course Next Course: Iterations and Loops in Kotlin

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Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

Learning Simple Data Structures in Kotlin

Course details

Unit 15 practices19 min

Unit 25 practices19 min

Unit 34 practices16 min

Unit 45 practices19 min

Unit 55 practices19 min

Turn screen time into skills time

Join the 1M+ learners on CodeSignal

From our community

From our community