InetAddress---表示互联网协议(IP)地址
---InetAddress.getByName("www.163.com")----在给定主机名的情况下确定主机的IP地址
----如果参数为null,获得的是本机的IP地址
import java.net.*;
public class MyHost {
public static void main(String args[]) {
InetAddress ip = null;
try {
ip = InetAddress.getByName("www.baidu.com");// 修改为指定的主机名称
System.out.println(ip.toString());
System.out.println("主机名:" + ip.getHostName());
System.out.println("主机IP地址:" + ip.getHostAddress());
System.out.println("本机IP地址:"+ InetAddress.getLocalHost().getHostAddress());
} catch (UnknownHostException e) {
e.printStackTrace();
}
}
}