The error occurs because it must be called with its fully qualified name. To be clear, the name of this class is not hello, It's org.seifert.learnjava8.hello. I create a simple maven project, so the right execution command is:
The error occurs because it must be called with its fully qualified name. To be clear, the name of this class is not hello, It's org.seifert.learnjava8.hello. I create a simple maven project, so the right execution command is: