import java.net.InetAddress;
import java.net.UnknownHostException;
public class Main{
public static void main(String[] args) throws UnknownHostException {
//获取本机主机ip地址对象
InetAddress ip=InetAddress.getLocalHost();
System.out.println(ip.getHostAddress());
System.out.println(ip.getHostName());
//获取其他主机的ip地址对象
InetAddress ip2= InetAddress.getByName("www.baidu.com");
System.out.println(ip2.getHostAddress());
System.out.println(ip2.getHostName());
}
}
运行结果: