Java：找不到或加载主类Main

Question

I run my program from terminal, while it runs fine from IntelliJ. I get the error "could not find or load main class Main". It's not the filenames that is incorrect and neither does the file have any specified package name.

here is my Main.java file.

import javafx.application.Application;
import javafx.stage.Stage;
public class Main extends Application{

    public static void main(String[] args){
        System.out.println("hej");
        launch();
    }

    @Override
    public void start(Stage stage){

    }

}

It seems to be something with javaFX. I am using linux

Answer 1

These two tell the Java interpreter where the bytecode class files are. When you are getting the error: 'could not find or load main class' , try them.

If your class file is saved in c:\\folder directory with MyJavaFxApp program name

1. java -cp c:\\folder MyJavaFxApp
2. java -cp . MyJavaFxApp

Answer 2

It was something to do with different versions of Java, I essentially changed the default version to a newer one using this guide

http://ask.xmodulo.com/change-default-java-version-linux.html

Thanks