s = in.nextLine();
        if(s != null){
            for(int i = 0; i < s.length(); i++){
                if(Character.isWhitespace(s.charAt(i))){
                    sNew = s.replaceAll(" ", "");
                }
            }
        }else if(s == null){
            System.out.println("This string is empty");
        }else{
            sNew = s;
        }