code: @Transformer
      public static String capFirst(Object o) {
          if (null == o) return "";
          String string = o.toString();
          if (string.length() == 0) {
              return string;
          }
          return ("" + string.charAt(0)).toUpperCase() + string.substring(1);
      }
docs: Make the first character be uppercase of the given object's string representation
  
  @param o
  @return the string result