code: public static void prepareLibFiles(String... libAbsoluteClassPaths) throws IOException {
          for (String libAbsoluteClassPath : libAbsoluteClassPaths) {
              prepareLibFile(false, libAbsoluteClassPath);
          }
      }
docs: <p>Prepare library resources: copy resources from class path
  to library path when library file not exists in library path.</p>
  Use this method can avoid copy same lib more than once.
  But if lib changed, it will not work till use {@link #initialLibFiles}.
  
  @param libAbsoluteClassPaths library absolute class path(start with"/"), include file name.
  @throws IOException