text: public static boolean equals(byte[] array1, byte[] array2, int length) {if (array1 == array2) {return true;}if (array1 == null || array2 == null || array1.length < length || array2.length < length) {return false;}for (int i = 0; i < length; i++) {if (array1[i] != array2[i]) {return false;}}return true;}