showaddress.java

本程序是用来显示本机的IP地址和其他的web服务器的IP地址和字符地址的。

import java.net.*;
public class ShowAddress {
public static void main(String args[])
{
try{
InetAddress localAddress=InetAddress.getLocalHost();
InetAddress addr=InetAddress.getByName("www.126.com");
System.out.println("Local Ip address:"+localAddress.getHostAddress());
System.out.println("Local Name:"+localAddress.getHostName());
System.out.println("Web Ip address:"+addr.getHostAddress());
System.out.println("Web Host Name:"+addr.getHostName());}
catch(UnknownHostException uhe){
System.out.println("Error-unable to resolve hostname");}
}
}