怎样用java获取本机DNS跟子网掩码

2025-03-07 04:19:47
推荐回答(1个)
回答1:

可以看下java8的InetAddress类,拿本机DNS也就是hostname

String localhostname = java.net.InetAddress.getLocalHost().getHostName();

至于subnet mask子网掩码

InetAddress localHost = Inet4Address.getLocalHost();
NetworkInterface networkInterface = NetworkInterface.getByInetAddress(localHost);

for (InterfaceAddress address : networkInterface.getInterfaceAddresses()) {
    System.out.println(address.getNetworkPrefixLength());
}