code: public char getChar(String name, char defaultValue) {
          String value = getString(name, null);
          if (!StringUtils.isNullOrEmpty(value)) {
              return value.trim().charAt(0);
          }
  
          return defaultValue;
      }
docs: Returns the char value for the specified name. If the name does not exist
  or the value for the name can not be interpreted as a char, the
  defaultValue is returned.
  
  @param name
  @param defaultValue
  @return name value or defaultValue