Kotlin Tutorial

This Kotlin Tutorial has been prepared by well experienced Kotlin Programmers for the beginners to help them understand the basics of Kotlin Programming Language. After completing this tutorial, you will find yourself at a moderate level of expertise in Kotlin, from where you can take yourself to the next levels.
Kotlin is a programming language introduced by JetBrains in 2011, the official designer of the most intelligent Java IDE, named Intellij IDEA. Kotlin is free, has been free and will remain free. It is developed under the Apache 2.0 license and the source code is available on GitHub.
This is a strongly statically typed general-purpose programming language that runs on JVM. In 2017, Google announced Kotlin is an official language for android development. Kotlin is an open source programming language that combines object-oriented programming and functional features into a unique platform. The content is divided into various chapters that contain related topics with simple and useful examples.
Currently, Kotlin mainly targets the Java Virtual Machine (JVM), but also compiles to JavaScript. Kotlin is influenced by other popular programming languages such as Java, C#, JavaScript, Scala and Groovy. The syntax of Kotlin may not be exactly similar to Java Programming Language, however, internally Kotlin is reliant on the existing Java Class library to produce wonderful results for the programmers. Kotlin provides interoperability, code safety, and clarity to the developers around the world.
Kotlin is very high in demand and all major companies are moving towards Kotlin to develop their web and mobile applications.
Average 	annual salary for a Kotlin developer is around $130,000. Though it can vary depending on the location. Following are the great companies who are using Kotlin:
Google
Google
Amazon
Amazon
Netflix
Netflix
Pinterest
Pinterest
Uber
Uber
Trello
Trello
Coursera
Coursera
Basecamp
Basecamp
Corda
Corda
JetBrains
JetBrains
Many more...
Many more...
So, you could be the next potential employee for any of these major companies. We have develop a great learning material for Kotlin which will help you to prepare for the technical interviews and certification exams based on Kotlin. So, start learning Kotlin using our simple and effective tutorial anywhere and anytime absolutely at your pace.
We have provided Kotlin Online Compiler which helps you  to Edit and Execute the code directly from your browser. Try to click the icon  to run the following Kotlin code to print conventional "Hello, World!".
fun main() {
   var string: String  = "Hello, World!"  // defining a variable
   println("$string")
}

This Kotlin tutorial helps you prepare for technical interviews and certification exams. We have provided various quizzes and assignments to check your learning level. Given quizzes have multiple choice type of questions and their answers with short explanation.
Following is a sample quiz, try to attempt any of the given answers:
Q 1 - Kotlin has been developed based on the following programming language?
A - Python 
B - Scala
C - Java
D - None of the Above 
 Kotlin is 100% compatible with Java.
This tutorial has been prepared for the beginners to help them understand the basics of Kotlin programming language. After completing this tutorial, you will find yourself at a moderate level of expertise in Kotlin, from where you can take yourself to the next levels.
Before proceeding with this tutorial you should have a basic understanding of Java programming language. Although it is a beginners tutorial, we assume that the readers have a reasonable exposure to any programming environment and knowledge of basic concepts such as variables, commands, syntax, etc. We strongly recommend that you gain some basic knowledge of Java programming language before proceeding with Kotlin programming.
You can explore a set of Kotlin Questions and Answers at Kotlin Questions & Answers

    68 Lectures 
     4.5 hours 

 Arnab Chakraborty

    71 Lectures 
     5.5 hours 

 Frahaan Hussain

    18 Lectures 
     1.5 hours 

 Mahmoud Ramadan

    49 Lectures 
     6 hours 

 Catalin Stefan

    49 Lectures 
     2.5 hours 

 Skillbakerystudios

    22 Lectures 
     1 hours 

 CLEMENT OCHIENG
 Print
 Add Notes
 Bookmark this page