Guess

class Solution {
    public void findSecretWord(String[] wordlist, Master master) {
        Random random = new Random();
        for (int i = 0; i < 10; i++) {
            int idx = random.nextInt(wordlist.length);
            String word = wordlist[idx];
            int guess = master.guess(word);
            if (guess == 6) {
                break;
            }
            wordlist = trimList(wordlist, word, guess);
        }
    }
    private String[] trimList(String[] wordlist, String word, int guess) {
        List<String> newList = new ArrayList<>();
        for (int i = 0; i < wordlist.length; i++) {
            String newWord = wordlist[i];
            int count = 0;
            for (int c = 0; c < newWord.length() && c < word.length(); c++) {
                if (newWord.charAt(c) == word.charAt(c)) {
                    count++;
                }
            }
            if (count == guess) {
                newList.add(newWord);
            }
        }
        return newList.toArray(new String[0]);
    }
}