}
    }
    return dummy;
  }

  static String charSequenceToUpperCase(CharSequence chars) {
    char[] newChars = new char[chars.length()];
    for (int i = 0; i < newChars.length; i++) {
      newChars[i] = Ascii.toUpperCase(chars.charAt(i));
    }
    return String.valueOf(newChars);
  }

      }
    }
    return dummy;
  }

  static String charSequenceToUpperCase(CharSequence chars) {
    char[] newChars = new char[chars.length()];
    for (int i = 0; i < newChars.length; i++) {
      newChars[i] = Ascii.toUpperCase(chars.charAt(i));
    }
    return String.valueOf(newChars);
  }