public ThreadInfo getThreadInfo(long id) {

  {- -------------------------------------------
  (1) sun.management.ThreadImpl.getThreadInfo() を呼び出すだけ.
      ---------------------------------------- -}

            long[] ids = new long[1];
            ids[0] = id;
            final ThreadInfo[] infos = getThreadInfo(ids, 0);
            return infos[0];
        }