Zjisti jmeno JAR souboru - funguje!

package app;

public class HlavniOkno {

    public static void main(String[] args) {

        for (int i = 0; i < args.length; i++) {
            System.out.println(i + ". " + args[i]);
        }

        /**
        * sun.java.command contains the main class and program arguments. Instead of the
        * main class it may have "-jar jarname"
        */
        // http://java.dzone.com/articles/programmatically-restart-java
        System.out.println(System.getProperty("sun.java.command"));



    }

}