Programming languages
Kotlin
A modern, statically typed programming language that is fully interoperable with Java and Android for building mobile applications, server-side applications, and more.
- Created by
- JetBrains
- First appeared
- 2011
- Official resource
- Visit the main website
Your first program
Hello, World!
fun main() {
println("Hello, World!")
}Keep learning
Where to go from here
Use trusted documentation for facts and an AI tutor for personalized explanations.
Official resource
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Use a focused prompt covering strengths, tradeoffs, setup, and this first program.
Teach me the basics of Kotlin. Use https://code.study/kotlin as the starting point. Explain what Kotlin is best suited for, when I should not choose it, how to install or try it, and then walk me through its Hello World example step by step.
Content reviewed August 2026 · Start with primary sources and verify version-specific details.