import java.net.InetAddress;
 import java.net.InetSocketAddress;
 import java.net.UnknownHostException;
  
 //inetaddress
 public class test112 {
     public static void main(String[] args){
         try {
             InetAddress add0 = InetAddress.getLocalHost();//获取本机ip地址实例
             System.out.println( "本机服务器名称"+add0.getHostName() );
             System.out.println( "本地地址"+ add0.getHostAddress() );
             InetAddress baiduIp=InetAddress.getByName( "www.baidu.com" );
             System.out.println( "百度服务器名称"+baiduIp.getHostName() );
             System.out.println( "百度地址"+ baiduIp.getHostAddress() );
         }catch (UnknownHostException e){
             e.printStackTrace();
         }
         //创建基于给定的端口号的套接字地址实列
         InetSocketAddress isa=new InetSocketAddress( "localhost",9090 );
         System.out.println( isa.getHostName() );
         System.out.println( isa.getHostString() );
         System.out.println( isa.getAddress().getHostAddress() );
     }
 }