Get the user.dir and codebase dir for a jar file invoked from the commandline

GetSystemPath.java

package org.wayoda.arduino;

import java.util.Properties;
import java.io.File;

public class GetSystemPath {
    public GetSystemPath() {
        Properties p=System.getProperties();
        String userDir=p.getProperty("user.dir");
        try {
            File jarDir=new File(GetSystemPath.class
                                    .getProtectionDomain()
                                    .getCodeSource()
                                    .getLocation()
                                    .toURI().getPath());
            File codeDir=jarDir.getParentFile();
            System.out.println("          Current user dir is : '"+userDir+"'");
            System.out.println("         Here is the jar-file : '"+jarDir+"'");
            System.out.println("The directory of the jar-file : '"+codeDir+"'");
        }
        catch (Exception e) {
            System.out.println(e);
        }
   }

    public static void main(String [] argv) {
        GetSystemPath gsp=new GetSystemPath();
    }
}

Manifest.txt

Main-Class: org.wayoda.arduino.GetSystemPath