JavaAnagrams.java

    static boolean isAnagram(String a, String b) {
        int s1[]=new int[26];
        int s2[]=new int[26];
        int l1=a.length();
        int l2=b.length();
        if(l1!=l2)
            return false;
        int n;
        for(int i=0;i<l1;i++){
            n=a.charAt(i)-65;
            if(n>25)
                n-=32;
            s1[n]++;
            n=b.charAt(i)-65;
            if(n>25)
                n-=32;
            s2[n]++;
        }
        for(int i=0;i<26;i++){
            if(s1[i]!=s2[i])
                return false;
        }
        return true;
    }