code: public static URL getSystemResource(String name) {
          ClassLoader system = getSystemClassLoader();
          if (system == null) {
              return getBootstrapResource(name);
          }
          return system.getResource(name);
      }
docs: Find a resource of the specified name from the search path used to load
  classes.  This method locates the resource through the system class
  loader (see {@link #getSystemClassLoader()}).
  
  @param  name
  The resource name
  
  @return  A {@link java.net.URL <tt>URL</tt>} object for reading the
  resource, or <tt>null</tt> if the resource could not be found
  
  @since  1.1