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Kotlin Essentials

Trainer(s): Paulien van Alst, duration: 8 hours

Training header image

Kotlin is the new upcoming language in the JVM world. It is mostly known for its use in Android applications, where it has a lot to offer in the world of back-end services. In this training all the basics of Kotlin will be taught to be able to start working on a back-end service written in Kotlin.

Detailed description
After this training you will be able to read and write Kotlin code on your own, understanding its idioms. Basic language features such as data classes, extension methods, inheritance DSL languages will be approached. You will also be able to write a Kotlin application built in Maven and using Spring.

Target audience
This training is suitable for everyone used to work on Java applications and who only learned little about Kotlin so far. Starting from the very basics until some small advanced features, a basic understanding of Kotlin will be taught during this training.

Learning goals

  • data classes
  • destructing declarations
  • default values
  • objects
  • inheritance
  • open classes
  • immutability
  • DSL
  • null-safety

Skills acquired in this training
Skills that a training at Kotlin Essentials provides:

  • Understanding of the basic language features
  • Understanding of the idioms of Kotlin

The main focus is on acquiring the following skills:

  • Reading and writing a Kotlin application

Training outline
Introduction & basic concepts of Kotlin consisting of:

  • Basic Language feature presentation
  • Set-up your own DSL with Kotlin
  • Write your own tests in Kotlin
  • Exercise: set up a project

Provided training material
Github repositories.

About the trainer
Paulien is a software engineer at OpenValue, Google Developer Expert in Kotlin and co-host at the BarCoding podcast. Passionate about software engineering she loves to spread the word by giving talks and workshops at meetups and conferences such as Devoxx, JFall, Goto.

Practical details

Standard pricing for this training: EUR 695,- ex VAT per attendee.
Please contact us for pricing for tailored content and for in house group trainings.

Trainings can be given in one of our offices (Utrecht, Amsterdam, Rotterdam, Arnhem, Munich, Dusseldorf, Vienna, Zurich), on site at a client location, or (in some cases) remote. Training content can be tailored to meet your specific requirements.

Want to enroll or have a question? Contact us via mail at, give us a call at +31-85-0606886 or use the form below.