public synchronized void addURLs(List<URL> urls){
  for (  URL url : urls)   super.addURL(url);
  ArrayList searchList=new ArrayList();
  searchList.addAll(searchPath);
  searchList.addAll(urls);
  searchPath=Collections.unmodifiableList(searchPath);
}

public synchronized void addURLs ( List < URL > urls ) { for ( URL url : urls ) super . addURL ( url ) ; ArrayList searchList = new ArrayList ( ) ; searchList . addAll ( searchPath ) ; searchList . addAll ( urls ) ; searchPath = Collections . unmodifiableList ( searchPath ) ; }
appends the specified urls to the list of urls to search for classes and resources .
