java 的代码

				/**
				     * 将指定byte数组以16进制的形式打印到控制台
				     * 
				     * @param hint
				     *            String
				     * @param b
				     *            byte[]
				     * @return void
				     */
				    public static void printHexString(String hint, byte[] b)
				    {
				        System.out.print(hint);
				        for (int i = 0; i < b.length; i++)
				        {
				            String hex = Integer.toHexString(b[i] & 0xFF);
				            if (hex.length() == 1)
				            {
				                hex = '0' + hex;
				            }
				            System.out.print(hex.toUpperCase() + " ");
				        }
				        System.out.println("");
				    }