package com.tj;

 import java.net.URL;

 import java.security.CodeSource;

 import java.security.ProtectionDomain;

 public class MyClass2 {

     Class cls = this.getClass();

     ProtectionDomain pDomain = cls.getProtectionDomain();

     CodeSource cSource = pDomain.getCodeSource();

     URL loc = cSource.getLocation();

     public URL getLoc(){

         return this.loc;

     }

     public static void main(String[] args) {

         MyClass2 m = new MyClass2();

         System.out.println(m.getLoc());

     }

 }