public class Solution {
   public boolean isAnagram(String firstWord, String secondWord) {
        char[] firstArr = firstWord.toLowerCase().toCharArray();
        char[] secondArr = secondWord.toLowerCase().toCharArray();
        Arrays.sort(firstArr);
        Arrays.sort(secondArr);
        boolean isEquals;
        for (int i = 0; i < firstWord.length(); i++) {
            if (firstArr[i] != secondArr[i]) {
                return false;
            }
        }
        return true;
    }
}