How to convert Kotlin file to Java file: step-by-step guide

Hi everyone! I'm a beginner Kotlin developer, but my team lead requires me to provide code in Java for a legacy project. The problem is that I've already written several classes in Kotlin, and rewriting them manually is a hell of a job.\n\nHere's an example of my Kotlin class:\n\n```kotlin\ndata class User(val name: String, val age: Int) {\n fun isAdult(): Boolean = age >= 18\n \n companion object {\n fun fromJson(json: String): User {\n // simplified logic\n val parts = json.split(",")\n return User(parts[0], parts[1].toInt())\n }\n }\n}\n\nfun main() {\n val user = User("Alice", 25)\n println(user.isAdult())\n}\n```\n\nI know that Kotlin compiles to JVM bytecode, but is it possible to get Java source code from it? I tried dec