问使用java的有线/wireless局域网中的IP地址

EN

import java.io.*;
import java.net.*;
import java.util.*; 
import static java.lang.System.out;

public class ListNets {

public static void main(String args[]) throws SocketException, UnknownHostException {
     System.out.println(System.getProperty("os.name"));
     Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
    for (NetworkInterface netint : Collections.list(nets))
        if (netint.getName().equals("wlan0") || netint.getName().equals("en0")) {
             displayInterfaceInformation(netint);
        }       
}

static void displayInterfaceInformation(NetworkInterface netint) throws SocketException {
    out.printf("Display name: %s\n", netint.getDisplayName());
    out.printf("Name: %s\n", netint.getName());
    Enumeration<InetAddress> inetAddresses = netint.getInetAddresses();
    for (InetAddress inetAddress : Collections.list(inetAddresses)) {

        out.printf("InetAddress: %s\n", inetAddress);
    }
    out.printf("\n");
 }
}