# Calling Kotlin from Java: start using Kotlin today (KAD 29)

DevFeed: [Calling Kotlin from Java: start using Kotlin today (KAD 29)](<https://devfeed.tech/articles/calling-kotlin-from-java-start-using-kotlin-today-kad-29-27185.md>)

Original publisher: [Read original article](<https://antonioleiva.com/kotlin-from-java>)

Published: 2017-11-29T00:00:00Z

Content type: tutorial

Language: en

Sources: [Antonio Leiva](<https://devfeed.tech/sources/antonio-leiva.md>)

Topics: [Kotlin](<https://devfeed.tech/topics/kotlin.md>), [Java](<https://devfeed.tech/topics/java.md>), [Android](<https://devfeed.tech/topics/android.md>)

Tags: [android](<https://devfeed.tech/tags/android.md>), [code](<https://devfeed.tech/tags/code.md>), [java](<https://devfeed.tech/tags/java.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>)

## AI overview

A tutorial explaining how Kotlin interoperates with Java, including calling Kotlin package-level and extension functions from Java and handling default arguments and generated overloads.

## Source excerpt

Everything Android, Kotlin and other random topics