Alternatively, create a new Kotlin file (File > New > Kotlin File/Class), and then paste your Java code into that file. So, it is recommended to convert the Kotlin code to Java code with the help of IntelliJ IDEA.ĭo share this blog with your fellow developers to spread the knowledge. To convert Java code to Kotlin, open the Java file in Android Studio, and select Code > Convert Java File to Kotlin File. The above method will generate the Java file but the code will be complicated to understand. Download theĪfter downloading the jar file, run the below command to get the Java file, out of your In Kotlin, implicit conversion of smaller data type into larger data type is not supported (as it supports in java). Now, we need to decompile the class file generated after the first step. To use Fernflower, follow the below steps: But the demerit of this method is that you will not get the pure Java file and you need to manually download the Fernflower jar file. So, instead of using the IntelliJ IDEA, we can directly use Fernflower. Under the hood, the IntelliJ IDEA uses the Fernflower. You will get the bytecode of your Kotin file.īutton to get your Java code from the bytecode. Open your Kotlin project in the IntelliJ IDEA / Android Studio. Steps to convert your Kotlin source file to Java source file: To integrate some feature that can be easily implemented in Java. Skills Java, Android Studio, Android App Development See more convert flv. Android TTS OCR Converter System for People with Visual Disability. The second way is to paste Java code into an existing Kotlin file and the code. So, it becomes easy to convert the Java code into Kotlin and vice-versa.įollowing are some of the advantages or reasons for converting Kotlin code to Java code: That being said, Java code can be converted to Kotlin from within Android Studio using a built-in Java to Kotlin converter. Most innovative android projects for students with unique app ideas online business. compiling the Kotlin code to the JVM bytecode and then decompile the bytecode to the Java code. It uses Android Studio to do the conversion. Kotlin is designed to interoperate fully with Java, and the JVM version of Kotlins standard library depends on the Java Class Library, but type inference allows its syntax to be more concise. Īfter that, we’ll see the file SampleKt.java: import kotlin.Converting a Kotlin file to Java file involves two steps i.e. This video shows the steps to convert the Java code to Kotlin (.kt) for your Android App. Online Java to Kotlin Converter Kotlin is a cross-platform, statically typed, general-purpose programming language with type inference. Once we have the JAR file, the command to run is: java -jar fernflower.jar SampleKt.class. We can get the fernflower.jar by downloading the project and running the Gradle build. Now, we need to decompile this file to Java.
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