code: public static void copy(Reader r, Writer w) throws IOException {
          copy(r, w, true);
      }
docs: Copies all text from the given reader to the given writer and closes both afterwards. Convenience method, same as
  <code>copy(r, w, true)</code>.
  
  @param r
  the reader.
  @param w
  the writer.
  
  @throws IOException
  if an I/O error occurs.
  @see #copy(Reader, Writer, boolean)