code: private static boolean isQuoted(String value, char quoteChar) {
      return value != null
          && value.length() > 1
          && value.charAt(0) == quoteChar
          && value.charAt(value.length() - 1) == quoteChar;
    }
docs: Return {@code true} if the given string is surrounded by the quote character given, and {@code
  false} otherwise.
  
  @param value The string to inspect.
  @return {@code true} if the given string is surrounded by the quote character, and {@code
  false} otherwise.