获取本地计算机的IP地址和主机名

import java.net.InetAddress;
/**
时 代 J a v a 公 众 号 - N o w J a v  a . c o m 提供 
**/

import java.net.UnknownHostException;


public class Main {

  public static void main(String[] args) {

    try {

      InetAddress addr = InetAddress.getLocalHost();


      // Get IP Address

      byte[] ipAddr = addr.getAddress();


      // Get hostname

      String hostname = addr.getHostName();

    } catch (UnknownHostException e) {

    }

  }

}