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Kotlin Hello World Program in Command line.

To write Kotlin program, we can use any text editor like: Notepad++. Put the following code into any text file and save.

Save the file with name hello.kt, .kt extension is used for Kotlin file.

Compile Kotlin File

Open command prompt and go to directory location where file is stored. Compile hello.kt file with following command.

Run Kotlin File

To run the Kotlin .jar (hello.jar) file run the following command.