palindromeRearranging better

boolean palindromeRearranging(String inputString) {

    char[] stringToArr = inputString.toCharArray();
    Map<Character, Integer> occurancies = new HashMap<Character, Integer>();

    for(char c : stringToArr){
        if(occurancies.containsKey(c)){
            occurancies.put(c, occurancies.get(c) + 1);
        }else {
            occurancies.put(c, 1);
        }
    }

    int odd = 0;

    for(int i : occurancies.values()){
        if(i % 2 == 1) odd++;
    }

    return odd <= 1;
}