JAVA 实现 CRC16算法

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public class Crc16 {         private final int polynomial = 0x8408;         private int[] table = new int[256];         public int ComputeChecksum(int[] bytes) {        int crc = 0xffff;        for (int i = 0; i < bytes.length; ++i) {            int index = (crc ^ bytes[i]) % 256;            crc = (crc >> 8) ^ table[index];        }        return crc;    }         public Crc16() {        int value;        int temp;        for (int i = 0; i < table.length; ++i) {            value = 0;            temp = i;            for (byte j = 0; j < 8; ++j) {                if (((value ^ temp) & 0x0001) != 0) {                    value = (value >> 1) ^ polynomial;                } else {                    value >>= 1;                }                temp >>= 1;            }            table[i] = value;        }    }         public static void main(String[] args) {        Crc16 c = new Crc16();        int[] arr = new int[]{0x4, 0x0, 0x1};        System.out.println(Integer.toString(c.ComputeChecksum(arr), 16));        arr = new int[]{0xB, 0x0, 0x1, 0x1, 0x1, 0x4, 0xEE, 0x35, 0x45, 0x45 };        System.out.println(Integer.toString(c.ComputeChecksum(arr), 16));    }}

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