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<NetworkInterface> 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<InterfaceAddress> list = ni.getInterfaceAddresses();
- Iterator<InterfaceAddress> 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("");
- }
- }
- }
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