Linux下java获得本地网卡IP地址_linux下java获取本地网络信息-优快云博客

本文介绍了一个Java程序，用于测试和展示计算机上的网络接口及其对应的IP地址。通过枚举所有网络接口并获取其显示名称、名称及IP地址，该程序帮助理解网络配置。

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import java.net.InetAddress;
import java.net.NetworkInterface;
import java.util.Enumeration;

/*********************************************************************
 * TestInetAddress.java     2007-12-10
 *
 * Copyright @ 2007 Inventec, Inc. All rights reserved.
 * Inventec PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *********************************************************************/

/**
 * @Author: Jacky.fang
 * @Date: 2007-12-10 上午09:21:51
 * @Company: Inventec(Shanghai)Service Co. Ltd.
 */

public class TestInetAddress {
    public static void main(String[] args) {
        Enumeration<NetworkInterface> netInterfaces = null;
        try {
            netInterfaces = NetworkInterface.getNetworkInterfaces();

            while (netInterfaces.hasMoreElements()) {

                NetworkInterface ni = netInterfaces.nextElement();
                System.out.println("DisplayName:" + ni.getDisplayName());
                System.out.println("Name:" + ni.getName());

                Enumeration<InetAddress> ips = ni.getInetAddresses();
                while (ips.hasMoreElements()) {
                    System.out.println("IP:"
                            + ips.nextElement().getHostAddress());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    public static void main2(String[] args) {
        Enumeration netInterfaces = null;
        try {
            netInterfaces = NetworkInterface.getNetworkInterfaces();

            while (netInterfaces.hasMoreElements()) {

                NetworkInterface ni = (NetworkInterface) netInterfaces
                        .nextElement();
                System.out.println("DisplayName:" + ni.getDisplayName());
                System.out.println("Name:" + ni.getName());

                Enumeration ips = ni.getInetAddresses();
                while (ips.hasMoreElements()) {
                    System.out.println("IP:"
                            + ((InetAddress) ips.nextElement())
                                    .getHostAddress());
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

原文:http://topic.youkuaiyun.com/u/20071209/21/ffb0fa1b-a47b-4911-aaca-59164f171952.html