Java tutorial
//package com.java2s; /* * Tencent is pleased to support the open source community by making * Tencent GT (Version 2.4 and subsequent versions) available. * * Notwithstanding anything to the contrary herein, any previous version * of Tencent GT shall not be subject to the license hereunder. * All right, title, and interest, including all intellectual property rights, * in and to the previous version of Tencent GT (including any and all copies thereof) * shall be owned and retained by Tencent and subject to the license under the * Tencent GT End User License Agreement (http://gt.qq.com/wp-content/EULA_EN.html). * * Copyright (C) 2015 THL A29 Limited, a Tencent company. All rights reserved. * * Licensed under the MIT License (the "License"); you may not use this file * except in compliance with the License. You may obtain a copy of the License at * * http://opensource.org/licenses/MIT * * Unless required by applicable law or agreed to in writing, software distributed * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR * CONDITIONS OF ANY KIND, either express or implied. See the License for the * specific language governing permissions and limitations under the License. */ import java.net.InetAddress; import java.net.NetworkInterface; import java.net.SocketException; import java.util.Enumeration; public class Main { public static void getLocalIP() { String ipaddress = ""; try { for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en .hasMoreElements();) { NetworkInterface intf = en.nextElement(); for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { InetAddress inetAddress = enumIpAddr.nextElement(); if (!inetAddress.isLoopbackAddress()) { ipaddress = ipaddress + ";" + inetAddress.getHostAddress().toString(); } } } } catch (SocketException ex) { } } }