Home>Courses>Kotlin Crash Course for Programmers

Kotlin Crash Course for Programmers

Beginner

29 Lessons

Certificate of Completion

AI-POWERED

Explanations

AI-POWERED

Explanations

This course includes

117 Playgrounds

22 Quizzes

Course Overview

What You'll Learn

Course Content

Recommendations

Course Overview

Kotlin is quickly joining the ranks of the most popular programming languages. Now that Google supports Kotlin for Android app development as the primary choice over Java, we’ll only see more developers making the switch. So if you’re looking to get started with Android app development, then you’ve come to the right place. This course will be your guide on getting started with Kotlin. We’ll go over all the language basics including variable declarations, data types and the type system to conditions, loops,...Show More

What You'll Learn

Confidence using Kotlin

Strong understanding of Kotlin fundamentals

Ability to write own applications and scripts using Kotlin

Confidence using Kotlin

Course Content

Hello Kotlin!

3 Lessons

Brief Introduction

Kotlin Overview: Principles and Goals

Following this Course

Variables and Data Types

4 Lessons

Read-Only vs Mutable Variables

Basic Data Types

Kotlin's Type Inference

Nullable Types

Conditions

3 Lessons

Conditions with `if`

Conditions with `when`

Conditions as Expressions

Collections

4 Lessons

Loops

2 Lessons

`while` Loops

`for` Loops

Functions

7 Lessons

Basic Functions

The main() Function

Shorthand Notation for Simple Functions

Default Values & Named Parameters

Extension Functions

Infix Functions

Operator Functions

Equality Checks

2 Lessons

Referential vs Structural Equality

Floating Point Equality Checks

Exception Handling

2 Lessons

Exception Handling in Kotlin

Checked Exceptions vs Unchecked Exceptions

Summary

2 Lessons

Recap

Next Steps

Course Author

Peter Sommerhoff

Trusted by 2.5 million developers working at companies

"These are high-quality courses. Trust me. I own around 10 and the price is worth it for the content quality. EducativeInc came at the right time in my career. I'm understanding topics better than with any book or online video tutorial I've done. Truly made for developers. Thanks"

Anthony Walker

@_webarchitect_

"Just finished my first full #ML course: Machine learning for Software Engineers from Educative, Inc. ... Highly recommend!"

Evan Dunbar

ML Engineer

"You guys are the gold standard of crash-courses... Narrow enough that it doesn't need years of study or a full blown book to get the gist, but broad enough that an afternoon of Googling doesn't cut it."

Carlos Matias La Borde

Software Developer

"I spend my days and nights on Educative. It is indispensable. It is such a unique and reader-friendly site"

Souvik Kundu

Front-end Developer

"Your courses are simply awesome, the depth they go into and the breadth of coverage is so good that I don't have to refer to 10 different websites looking for interview topics and content."

Vinay Krishnaiah

Software Developer

"I've tried probably 5-7 different sites and Educative is easily the best. It perfectly blends explanation with interactivity"

Eric Downs

Musician/Entrepeneur

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!

Recommended before starting this course

Course

Design a Test Automation Framework with Selenium and Java

beginner

12 hours

Course

Beginning Flutter: Android Mobile App Development

beginner

10 hours

Course

Grokking Bit Manipulation for Coding Interviews

intermediate

3 hours

Course

Optimize your web projects with Progressive Web Apps

A course to learn all the benefits PWAs can provide to your web app, like performance optimisation, native-like layout, offline features and more.

beginner

5 hours

Course

Design a Test Automation Framework with Selenium and Java

beginner

12 hour

Course

Beginning Flutter: Android Mobile App Development

beginner

10 hour

Course

Grokking Bit Manipulation for Coding Interviews

intermediate

3 hour

Course

Optimize your web projects with Progressive Web Apps

beginner

5 hour

Related Courses and Skill Paths

Course

The Ultimate Guide to Kotlin Programming

Master Kotlin programming from fundamentals to advanced concepts, including building Android applications and backend integration.

beginner

20 hours

Course

The Complete Java Crash Course

This Java crash course articulates the basic programming constructs in Java and compares them with other languages through multiple coding examples.

intermediate

6 hours

Course

Learn Intermediate Java

Master Intermediate Java through an interactive course covering basics to advanced concepts, preparing you for real projects.

beginner

12 hours

Course

Decode the Coding Interview in Java: Real-World Examples

The ultimate guide to coding interviews. Developed by FAANG engineers, learn how to solve real-world problems, practice with interview questions from top companies, and get interview-ready in hours.

beginner

18 hours

Course

The Ultimate Guide to Kotlin Programming

beginner

20 hour

Course

The Complete Java Crash Course

intermediate

6 hour

Course

Learn Intermediate Java