/media/sda-magnetic/david/Dokumente-15/fernuni-hagen/cs-i-ii/old-cs-2-03/java-new/2020-11-12-01/Retval.java

public class Retval {
    public static void main (String [] args) {
        try {
            System.out.println ("Hallo");
            Process process = Runtime.getRuntime().exec("java Retval");
            System.out.println (process.waitFor());
            
        }
        catch (Exception e) {
        
        }
        
        System.exit(1);
        
    }
    
}