inetaddressdemo.java

java scoket通信的源程序

import java.net.*;
public class InetAddressdemo 
{
	public static void main(String[] args) 
	{
		try 
		{
			//本地InetAddress对象信息
			System.out.println("Locale");
			
			//获取本地机器名及ip地址
			InetAddress local = InetAddress.getLocalHost();
			String localIP = String.valueOf(local);
			System.out.println(localIP);
			
			//获取本地ip地址
			String hostAddress = local.getHostAddress();
			System.out.println(hostAddress);
			
			//获取本地机器名
			String localName = local.getHostName();
			System.out.println(localName);
			
			//远程InetAddress对象信息
			System.out.println("\nRemote:");
			
			//获取远程服务器:"www.yahoo.com"的机器名及ip地址
			InetAddress ip = InetAddress.getByName("www.yahoo.com");
			String ip_str = String.valueOf(ip);
			System.out.println(ip_str);
			
			//获取远程服务器ip地址
			String ipAddress = ip.getHostAddress();
			System.out.println(ipAddress);
			
			//获取远程服务器机器名
			String ipName = ip.getHostName();
			System.out.println(ipName);
		} 
		catch (UnknownHostException e) {e.printStackTrace();}
	}
}