beginner

Introduction to Programming with Kotlin

Begin your journey into computer programming with Cosmo! You'll learn what programming is, master the fundamentals of programming with Kotlin, and have a lot of fun with Cosmo along the way.

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137 learners

Verified skills you'll gain

DEVELOPING

General Programming and Algorithms

DEVELOPING

Computer Science Fundamentals

Tools you'll use

Kotlin

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Course 2

Kotlin's Building Blocks: Data & Variables

13 lessons

Discover how to work with information in Kotlin. Learn to use variables and different data types to store and manage data in your programs.

Course 3

Code That Thinks: Making Decisions in Kotlin

14 lessons

Learn how to make your code think. Master the art of decision-making in Kotlin using conditional logic and operators to control your program's flow.

Course 4

Kotlin on Repeat: Mastering Loops

12 lessons

Put your code on auto-pilot. Explore how to handle repetitive tasks efficiently in Kotlin by mastering various loop structures and iteration techniques.

Course 5

Kotlin's Reusable Tools: Creating Functions

12 lessons

Build your own code toolkit. Learn how to package your logic into clean, reusable functions, making your Kotlin code more organized and powerful.

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

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