![]() This is also the reason why you can, in a way, get Java code back from Kotlin (although the output is not completely desired). This is the reason we can convert Java code to Kotlin and mix Java and Kotlin code together. Kotlin is a statically-typed programming language that works on Java Virtual Machine and compiles into JVM compatible bytecode. java file and remove the unnecessary code. At the moment, this is the only way to convert Kotlin code to Java. It works better in IntelliJ IDEA, but you can try it online as well. Yes, it has a lot of unnecessary code that was not present in the original Java code, but that is the case with decompiled bytecode. Java to Kotlin conversion We have a handy tool for Java developers: Java to Kotlin converter. java file will be generated, containing a decompiled Java bytecode from Kotlin code: If you have to absolutely convert your Kotlin code to Java, click on Tools | Kotlin | Show Kotlin Bytecode in the menu:Īfter clicking on Show Kotlin Bytecode, a window will open with the title Kotlin Bytecode:Ĭlick on Decompile and a. kt.Īfter converting to Kotlin, this is what we have:Ī Kotlin file can be converted into Java, but it’s better if you can avoid it or find an alternative way to do it. Your Java file will be converted into Kotlin, and the extension will now be. Choose Code-> Convert Java File to Kotlin File or you can also use keyboard shortcut Ctrl + ALT + Shift + K. Now, in the main menu, click on Code menu and choose the Convert Java File to Kotlin File option. ![]() Concatenate strings In Java, you can do this in the following way: // Java String name 'Joe' ('Hello, ' + name) ('Your name is ' + name. ![]() ![]() In your IntelliJ IDE, open the Java file that you want to convert to Kotlin. It will help you migrate from Java to Kotlin and write your code in the authentically Kotlin way. ![]()
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