Kotlin Tutorials and Courses

Reviews indicate that this is by far the best course for learning beginners to learn Kotlin. The Android developer website and Kotlin official website have a link to this course, this gives more than enough assurance that you will not waste time or money doing this course. The course explains programming basics too, so you do not need to have any prior programming experience. We recommend this course for all beginners who want to learn modern object-oriented programming as well as for everyone who wants to kick start Android apps development.

This course will help you to learn programming fundamentals as well as Kotlin programming features, some of the topics covered include:

• Variables, null safety, if when conditions, basics of loops like for and while, functions, and functional programming.
• Object-oriented programming including objects, classes, inheritance, interfaces, etc.
• Data classes feature of Kotlin.
• Binary and hexadecimal numbers.
• Use of generics and hiding principles.

Following this course, you should be able to develop your very first and fully functional web app, android app, or desktop app on your own.

This is another good course for beginners and covers basic concepts of Android 10 apps development from scratch. The course is thorough and helps you create fully functional apps and publish them on the Google play store. The course also helps you monetize your android apps via in-app sales as well as Google ads.

You will learn Android apps development by creating apps like 7Min workout, Trello, and Weather app. The author also teaches you to develop a backend for your apps using Firebase cloud service, this is a big plus to get your app live within no time.

We recommend this course for anyone looking forward to applying for a junior android app developer or planning to work as a freelancer or planning to convert an idea into an app.

This one is the most comprehensive of all the courses available out there in the wild. It is a complete nanodegree that runs for 4 months assuming 10 hours of time devotion per week. The nanodegree covers everything you need to become a professional Android developer and helps you create many projects during the tenure of the course. Course mentors know that application development is a lot more than learning a language or working with tools and ensure that you learn the same. From a tools and features perspective, you will learn android studio, Kotlin language, Android Jetpack, Android development best practices, working with Google play store, and much more.

When you enroll for this course, you also get to know details of real-world projects from industry experts, online technical mentor support, and other career services as part of the program. Career services include resume support, LinkedIn profile optimization, and GitHub review. You also get feedback on your projects from professional reviewers.

Decided to go professional, this is the best nanodegree, but this is costly too so go for it if money is not a problem.

Kotlin for Java Developers is another course from Troy Miles and focuses more on Java experienced programmers. The course specifically focuses on the new features of Kotlin that make it a much better language than Java. Troy also explains in what scenarios you should call existing Java libraries in Kotlin and how to do that efficiently.

While the course covers basics, it covers many advanced features including Reflection, DSL construction, Lambdas, method chaining, closures, currying, Memoization, and much more.

This course is also not very lengthy and covers topics very briefly, the course is under 3 hours in total length and recommended for developers coming from Java to Kotlin to get a quick hang of what goes on in the world of Kotlin.

This is the best free Kotlin course to learn Android apps development and architecture. The course is developed jointly by Udacity and Google and covers modern app architecture and industry best practices. Professional Android development requires many advanced techniques like work manager setup for background processing and use of Android Jetpack components like Room for databases. This course covers it all.

The authors train you to think like a mobile developer rather than just learning the language specifications. The course is development industry pros and includes rich learning content and many interactive quizzes, you can complete the course at your own pace.

The course is divided into 10 chapters and covers basics to get started with your first Android app, layouts, App navigation, Activity and Fragment lifecycle, App UI Layer architecture, data layer architecture, recyclerView, Internet connectivity, and localization.

Since Google started to promote Kotlin for Android development it also created many good and free resources for developers to learn Kotlin.

This is one of the best set of courses available online to learn Kotlin for free, the learning material is specifically designed for Android applications development. Though you still get to learn all the basics of Kotlin programming language along with way.

Here you will find multiple pathways and courses, including Java to Kotlin pathway, Kotlin Bootcamp for programmers, Android Kotlin fundamentals, Android Basics in Kotlin, Advanced Android in Kotlin and Kotlin Coroutines.

Kotlin’s official website provides a complete reference to the language specifications. Any new feature offered by Kotlin is first updated here on the official website, and after course, creators include new features in their training materials.

While it is important to enroll for one or more of Kotlin’s professional courses mentioned in this section, official specifications provide good references throughout your development journey. When in doubt, you can get back to read details in depth.

You can learn the depth and breadth of Kotlin just by following this reference guide, it covers Kotlin basics, includes an online Kotlin environment to try your hands on without the need to set up anything on your desktop, provides instructions to get you started with Android Studio and much more.

This is one of the highest-rated Kotlin courses out there in the wild. The course is offered by JetBrains, the creators of Kotlin language itself and covers every minute detail of the language.

This is an intermediate-level course and assumes you know at least the basics of Java. This course will go through the basics of Kotlin and how it is better than Java. The key new features of Kotlin that Java lacks are explained with example code snippets. You get to learn about Nullability, functional programming, properties, oops, conventions, Lambdas with receivers, types, and much more.

This is another course from Peter and is well suited to master advanced level Kotlin and Android development concepts. The course focuses more on writing clean, concise, and expressive code. Following this course, you will learn to create Android apps with Kotlin, learn to use functional programming, use extension functions in Kotlin to write SQLite transactions. Apart from this, you will also learn to efficiently deal with APIs with minimal boilerplate code.

We recommend this course to anyone who knows the basics of Android and is looking forward to mastering the art of Android apps development with Kotlin. This course is not a good fit for absolute beginners and cannot be used as Android reference material.

Concepts like higher-order functions, lambda expressions, null safety, immutability, lazy sequences, smart casts, the difference between Java and Kotlin, immutability, avoiding null, and much more are very well explained and used.

This is another intermediate-level course that helps Java developers to upgrade their programming skills to Kotlin specifications. Since Kotlin is majorly used for Android, this course teaches Kotlin basics as well as how to use Kotlin for an Android app.

Following this course, you will create a solitaire android app from scratch. The course is available with your TeamTreeHouse.com subscription, you just need to sign up there to get access to all their courses.

We recommend this course to students with some experience with java, if you are an absolute beginner, we recommend you to filter beginners courses and pick one.

Looking for a free video course to learn Kotlin, this one is for you. This course is developed by Nate Ebel and is available on YouTube.com on FreeCodeCamp.org channel. The course is for beginners and teaches programming using Kotlin. Nate covers all the basics in this 2 and half hour video including setup for the first Kotlin project, hello world app, variables, type system, control flow, lists, arrays, maps, functions, creating a simple class, constructors, adding class variables, interfaces, inheritance, functions, overriding methods, Enum classes, sealed classes, data classes, extension functions, Kotlin standard library and much more. The intent is to cover the concepts of programming to equip you for a professional course.

This course is also for intermediate developers and is for developers who like to learn fast and specifics than to go into too many details. The course length is approx. 3 hours and teaches you to write command-line programs while covering Kotlin basics. You learn to use the basics of programming like setting up of IntelliJ idea, data types, control flow, collections, and sequences, working with input, output, and files. The more advanced topics include functional programming, companion objects, Debugging of Kotlin code, use of Coroutines, and much more.

We recommend this course to anyone with the basic programming language and who specifically wants to learn input/output, working with files, and command-line programming.

This is another good course for beginners to intermediate level developers and provides a good introduction to the Kotlin programming language. You will learn to set up and install various tools required to develop using Kotlin and Android. The course starts of with basic programming syntax and moves on to object-oriented concepts.

If you have a subscription to Pluralsight, you can take up this course. Else, you can try for 10 days free trial. Note that this course is not meant to train you to develop professional-grade applications, but covers the basics of programming in Kotlin.

Want to master Kotlin Coroutines, this is the course for you. Instructors take you through the most common flows within Android applications with Coroutines implementation. You will learn the best practices, Coroutines cancellation, error handling, unit tests, common issues in Coroutines-based code, structured concurrency, and much more. We recommend this course to experienced developers with knowledge of basic java and Android.

This one is another advanced level Kotlin programming Course, this course focuses on teaching Google maps SDK for Android using Kotlin. While you learn the basic concepts of Google maps, you would also create a distance tracking app one can use to track user location. Some of the key topics covered in this include Rotate the map, change map type, Location permissions, Handle map events, add custom map style, data binding, navigation component, and a lot more.

This is another course for experienced Kotlin and Android developers. In this course, you will learn the fundamentals of Thread Pools, Coroutines, and RxJava to do multithreading in Android applications. You will also learn to create thread-safe code, a responsive user interface, prevention of memory leaks, and much more.

One can easily tag this as the best free Kotlin Tutorial for beginners. The instructor provides step-by-step guidance to create a client for Reddit, named Keddit. You will learn and use many aspects of Kotlin like Data Classes, Null Safety, Lambda Expressions, Higher order functions, Delgation and a lot more. You would also conceptually understand some of the core problems that surface up during Android development, like orientation change, UI refresh from service data, manipulating and binding data and views.