public int checkExactMatch(String tWord, String gWord) {
        nExact = 0;
        initVec();
        nGuessLeft--;

        for(int i = 0; i < tWord.length(); i++) {
            char tchar = Character.toLowerCase(tWord.charAt(i));
            char gchar = Character.toLowerCase(gWord.charAt(i));
            if(tchar == gchar) {
                posExact.set(i,1);
                nExact++;
            }
        }
        return nExact;
    }