public static int makeAnagram(String a, String b) {
    int numberOfDeletions = 0;
    for (int i = 0; i < a.length(); i++) {
        String currentCharacter = String.valueOf(a.charAt(i));
        if(b.contains(currentCharacter)){
            b = b.replaceFirst(currentCharacter, "");
        } else {
            ++numberOfDeletions;
        }
    }
    return numberOfDeletions + b.length();
    }