code: protected static String justifyRight(CharSequence csq, char pad, int width) {
          try {
              StringBuilder sb = new StringBuilder(width);
              justifyRight(sb, csq, pad, width);
              return sb.toString();
          } catch (IOException e) {
              throw new AssertionError("StringBuilder failed", e);
          }
      }
docs: Right-justifies {@code csq}.
  @param csq
  @param pad padding character
  @param width minimum of characters that will be written
  @return justified string