LeetCode 242. 有效的字母异位词

package 练习;
class Solution {
    static  public boolean isAnagram(String s, String t) {
        if(s==null || t==null)
            return false;
        int [] ints = new int[26];
        for (int i = 0; i <s.length() ; i++) {
            ints[(int)s.charAt(i) - 97 ] = ints[(int)s.charAt(i) - 97 ] + 1;
        }
        for (int i = 0; i <t.length() ; i++) {
            ints[(int)t.charAt(i) - 97 ] = ints[(int)t.charAt(i) - 97 ] - 1;
        }
        for (int anInt : ints) {
            if(anInt!=0)
                return false;
        }
        return true;
    }
    public static void main(String[] args) {
        System.out.println(isAnagram("zlap","kcqx"));
    }
}