public boolean anagram(String s, String t) {

     char[] word1 = s.replaceAll("[\\s]", "").toCharArray();
     char[] word2 = t.replaceAll("[\\s]", "").toCharArray();
     Arrays.sort(word1);
     Arrays.sort(word2);
     return Arrays.equals(word1, word2);
//Important NOT "==";
}