public static booalen contains(String left, String right) {int magicLeft = toMagicInt(left);int magicRight = toMagicInt(right);return (magicLeft & magicRight) == magicRight;}public static int toMagicInt(String text) {int result = 0;int index = 0;for (char c : text.toLowerCase().toCharArray()) {index = c a';result |= 2 << index;}return result;}