InterfaceAddress 类表示一个由名称和分配给此接口的 IP 地址列表组成的网络接口。它用于标识加入多播组的本地接口。 接口通常是按名称(如 "le0")区分的。

NetworkParameterDemo.java

import java.net.InterfaceAddress;

import java.net.NetworkInterface;

import java.net.SocketException;

import java.util.Enumeration;

import java.util.Iterator;

import java.util.List;

public class NetworkParameterDemo {

public static void main(String[] args) throws Exception {

Enumeration en = NetworkInterface.getNetworkInterfaces();

while (en.hasMoreElements()) {

NetworkInterface ni = en.nextElement();

printParameter(ni);

}

}

public static void printParameter(NetworkInterface ni) throws SocketException {

System.out.println(" Name = " + ni.getName());

System.out.println(" Display Name = " + ni.getDisplayName());

System.out.println(" Is up = " + ni.isUp());

System.out.println(" Support multicast = " + ni.supportsMulticast());

System.out.println(" Is loopback = " + ni.isLoopback());

System.out.println(" Is virtual = " + ni.isVirtual());

System.out.println(" Is point to point = " + ni.isPointToPoint());

System.out.println(" Hardware address = " + ni.getHardwareAddress());

System.out.println(" MTU = " + ni.getMTU());

System.out.println("\nList of Interface Addresses:");

List list = ni.getInterfaceAddresses();

Iterator it = list.iterator();

while (it.hasNext()) {

InterfaceAddress ia = it.next();

System.out.println(" Address = " + ia.getAddress());

System.out.println(" Broadcast = " + ia.getBroadcast());

System.out.println(" Network prefix length = " + ia.getNetworkPrefixLength());

System.out.println("");

}

}

}