tratarString

public static String tratarString(String s) {
        String[] arrayStrings;
        String StringTemp = "";
        String novaString = "";

        if (s.contains(" ")) {
            List<String> listaStrings = new ArrayList<String>();
            Integer tamanhoString = 0;

            arrayStrings = s.split(" ");

            for(Integer i = 0; i < arrayStrings.length; i++) {
                if(!arrayStrings[i].equals(""))
                    listaStrings.add(arrayStrings[i]);
            }

            for (String string : listaStrings) {
                StringTemp += string;
                StringTemp += " ";
            }

            tamanhoString = StringTemp.length();
            novaString = StringTemp.substring(0, tamanhoString - 1);

        } else {
            return s;
        }

        return novaString;