public String convertToTitleCase(String s) {
        StringBuilder result = new StringBuilder();

        if (s.length() == 0) {return result.toString();}

        for(int i = 0; i < s.length(); i++) {

            if (Character.isWhitespace(s.charAt(i)) == true) {
                if(Character.isWhitespace(s.charAt(i+1)) == false) {
                    if(Character.isTitleCase(s.charAt(i+1)) == false) {
                        result.append(s.charAt(i)); result.append(Character.toTitleCase(s.charAt(i+1))); i++;
                    }
                    System.out.println("loop1 i= " + i + " result= " + result + " s= "  + s + " s.length()= " + s.length());
                }
            }

            else if(i == 0) {
                if(Character.isWhitespace(s.charAt(i)) == false) {
                    if(Character.isTitleCase(s.charAt(i)) == false) {
                        result.append(Character.toTitleCase(s.charAt(i)));
                    }
                    System.out.println("loop2 i= " + i + " result= " + result + " s= "  + s + " s.length()= " + s.length());
                }
            }

            else {
                result.append(s.charAt(i));
            }
        }



        return result.toString();
    }