The shortcut is different on different OS.

Undo conversion: To undo a change, click ctrl+z or Cmd+z, it will ask with a popup, click OK and you will get back your original Java file.Īnother way to convert: Conversion option is also available in the code menu. It will convert the Java file to a Kotlin file. Step-2: It will show you a popup that some code in the project may require correction and do you want to find and correct such code. Right-click on the Java file and click on Convert Java File to Kotlin File to convert it to Kotlin. Step-1: Open the project on Intellij-IDEA. Finally, we’re moving to defining classes and working with collections. Then, we’ll move towards inner areas like control statements like if-else and switch statements. If you don’t have it, you can download from here. Here, we’ll look at basic examples of migrating our Java code to Kotlin, like simple print statements, defining variables, managing nullability. In this post, I will show you how to convert Java to Kotlin using Intellij-IDEA. Kotlin is a JetBrain product, so we can always have the updated converter with Intellij-IDEA. There are different online tools to convert Java to kotlin, but I alawys find the inbuilt converter provided by Intellij-IDEA. Or, you can convert your existing Java files as well. Like if you want to move your Android project from Java to Kotlin, you can do that. If you are not satisfied with the result of conversion, you can roll it back with Ctrl+Z. The resulting code is not supposed to be perfect, however, it may be helpful in some situations.

You can use both Kotlin and Java files in a Kotlin program. Convert Java to Kotlin IntelliJ IDEA allows you to automatically convert your Java code to Kotlin.

Online java to kotlin converter