Java示例主机特定IP地址2

import java.net.InetAddress;
import java.net.UnknownHostException;

public class Demo {
   public static void main(String[] args) {
      InetAddress ipadd;
      String hostname;
      try {
         ipadd = InetAddress.getLocalHost();
         hostname = ipadd.getHostName();
         System.out.println("Your IP address : " + ipadd);
         System.out.println("Your Hostname : " + hostname);
      } catch (UnknownHostException e) {
      }
   }
}