public class Solution {

    /**

     * @param s: The first string

     * @param b: The second string

     * @return true or false

     */

    public boolean anagram(String s, String t) {

        if(s == null || t == null) return false;

        if(s.length() != t.length()) return false;

        char[] arrs = s.toCharArray();

        char[] arrt = t.toCharArray();

        Arrays.sort(arrs);

        Arrays.sort(arrt);

        boolean flag = true;

        for(int i = 0; i < arrs.length; i++){

            if(arrs[i] != arrt[i]){

                flag = false;

            }

        }

        return flag;// write your code here

    }

};