Why I can't execute scala file?

Question

I am a newbie to Scala, it\'s the first time I\'m running Scala, when I installed Scala, I created a file named Hello.scala, the content is:

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Answer 1

If you are executing it in scala REPL .You should be using as below

:load [scala file path]

output would be as below

defined "objectname"

Then invoke the main method as the next command

objectname.main(Array())

Refer the below url for more detailed info

https://www.scala-lang.org/documentation/getting-started.html