【JAVA代码获取本机ip地址及主机名】

import java.net.InetAddress;

public class Main {
       public static void main(String[] args) 
       throws Exception {
          InetAddress addr = InetAddress.getLocalHost();
          System.out.println("Local HostAddress:"+addr.getHostAddress());
          String hostname = addr.getHostName();
          System.out.println("Local host name: "+hostname);
       }
    }