Exporting a package from system module is not allowed with --release

Question

I have the following program:

module-info.java

module a {
}

Main.java

public clas         


        

Answer 1

If you are using InetlliJ Idea do this setting: Go to the File menu -> [Settings] -> [Build, Execution, Deployment] -> [Java Compiler] and select your JDK version and sometimes this is empty so insert the java version like [if you use 11] and save, Then compile the program and run.