Name: Anonymous 2009-03-20 3:49
How it should be done?
public class XorStrings {
public static String xor(String a, String b) {
if (a.length() != b.length())
throw new IllegalArgumentException("JEWS");
char[] as = a.toCharArray();
char[] bs = b.toCharArray();
for (int i = 0; i < a.length(); i++)
as[i] ^= bs[i];
return new String(as);
}
}