1、首先没必要再写手工转换,对192.168.1.1直接Inet4Address a=(Inet4Address) Inet4Address.getByName("192.168.1.1");2、其次,转换字节用byte即可。byte不仅代表-128-127的数值,也代表8bit的0-255的数据。import java.net.Inet4Address;import java.net.UnknownHostException;import java.util.Arrays;public class Test {static public void main(String 参数[]){String liter...