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Kotlin Programming · Module 1 of 10

Getting started with Kotlin

Kotlin is a modern, concise language for Android, servers and more.

📖 Key ideas

  1. Kotlin was created by JetBrains and runs on the JVM.
  2. It is 100% interoperable with Java.
  3. Google made Kotlin the preferred Android language in 2019.
  4. Entry point: fun main() { println("Hello") }.
  5. Try it in the Kotlin Playground or IntelliJ IDEA.
💡 Real-life example: Kotlin is Java with a modern haircut: same body, cleaner look, fewer lines.
KotlinModern JVM language
JetBrainsCompany that created Kotlin
JVMJava Virtual Machine
InteroperabilityKotlin and Java work together