import java.net.*;
public class InetDemo {
	public static void main(String args[]){
		new InetDemo().say();
	}
	public void say(){
		try{
			InetAddress i=InetAddress.getLocalHost();
			System.out.println(i);
			System.out.println("主機名稱為:"+i.getHostName());
			System.out.println("ip地址為:"+i.getHostAddress());
		}
		catch(Exception e){e.printStackTrace();}
	}
}