code: public static List<String> asListOfChars(String text) {
  
  		List<String> list = new ArrayList<>();
  
  		if (StringUtils.isNullOrEmptyTrimmed(text)) {
  			return list;
  		}
  
  		for (int i = 0; i < text.length(); i++) {
  			list.add(Character.toString(text.charAt(i)));
  		}
  
  		return list;
  	}
docs: Converts text to list of characters
  
  @param text to be converted
  @return list of characters