class Solution {
    // Function is to check whether two strings are anagram of each other or not.
    public static boolean areAnagrams(String s1, String s2) {
        Map<Character, Integer> map = new HashMap<>();

        for (Character x : s1.toCharArray()) {
            map.put(x, map.getOrDefault(x, 0) + 1);
        }

        for (Character x: s2.toCharArray()) {
            map.put(x, map.getOrDefault(x, 0) - 1);
        }

        for (Integer count: map.values()) {
            if (count != 0) { return false; }
        }

        return true;
    }
}