import java.net.*;
class InetAddressTest
{
 public static void main(String args[]) throws UnknownHostException{
 InetAddress AddressOne=InetAddress.getLocalHost();
 System.out.print("本地主機名：");
 System.out.println(AddressOne);
 InetAddress AddressTwo=InetAddress.getByName("www.sina.com.cn");
 System.out.println(AddressTwo);
 InetAddress IT[]=InetAddress.getAllByName("www.baidu.com");
 for(int i=0;i<IT.length;i++)
 System.out.println(IT[i]);
}
}