Java Get network IP

Java get the network IP, a shallow slightly ~

1 Importjava.net.InetAddress;2 Importjava.net.UnknownHostException;3 4 /**5 * Get network IP6 * 1, get the local IP address7 * 2, get the server name of the machine8 * 3, get the host IP address of the remote server9 * 4, get all the host IP of the remote serverTen  * One * Network programming: A * InetAddress is a class used to encapsulate IP address related information - * Getlocalhost () Create IP objects for localhost - * Getbyname (host) Gets the server host address object based on the domain name the * Getallbyname (host) creates an array of InetAddress objects for the specified set of hosts with the same name -  * - * Created by DSPs on 2/25/15. -  */ +  Public classInternetinfo { -  +     /* A * Get the Local host IP address at      */ -      Public Static voidGetlocalip () { -         //Create a local host IP address object -         Try { -InetAddress addr =inetaddress.getlocalhost (); -String hostaddr = addr.gethostaddress ();//Get IP Address inString hostName = Addr.gethostname ();//get Local machine name -SYSTEM.OUT.PRINTLN ("Local IP address:" +hostaddr); toSYSTEM.OUT.PRINTLN ("Local Machine name:" +hostName); +}Catch(unknownhostexception e) { - e.printstacktrace (); the         } *     } $ Panax Notoginseng     /** - * Obtain the IP of the host server according to the domain name the      * @paramhostName Domain name +      */ A      Public Static voidgetipbyname (String hostName) { the         Try { +             //Create host address objects based on domain name -InetAddress addr =Inetaddress.getbyname (hostName); $             //Get host IP $String hostaddr =addr.gethostaddress (); -System.out.println ("Domain name:" + hostName + "Host IP address:" +hostaddr); -}Catch(unknownhostexception e) { the e.printstacktrace (); -         }Wuyi     } the  -     /** Wu * Get all IP address of host based on domain name -      * @paramhostName Domain name About      */ $      Public Static voidgetallipbyname (String hostName) { -         Try { -inetaddress[] Addrs =Inetaddress.getallbyname (hostName); -string[] IPs =NewString[addrs.length]; ASystem.out.println ("Domain name:" + HostName + "of the host all IP address is:"); +              for(inti = 0; i < addrs.length; ++i) { theIps[i] =addrs[i].gethostaddress (); - System.out.println (Ips[i]); $             } the}Catch(unknownhostexception e) { the e.printstacktrace (); the         } the     } -  in     //Test the      Public Static voidMain (string[] args) { theString hostName = "www.baidu.com"; About Getlocalip (); the Getipbyname (hostName); the Getallipbyname (hostName); the     } +  -}

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Java Get network IP