package j2se.core.net.base;
import java.net.InetAddress;
import java.net.UnknownHostException;
public class InetAddressDemo {
public static void main(String[] args) throws UnknownHostException {
// 获取本地 IP 地址
InetAddress ip = InetAddress.getLocalHost();
showIpInfo(ip);
System.out.println("---------------");
// 获取指定域名的 IP 地址
ip = InetAddress.getByName("www.163.com");
showIpInfo(ip);
System.out.println("---------------");
// 获取指定域名的多个 IP 地址
InetAddress[] ips = InetAddress.getAllByName("www.163.com");
for (InetAddress i : ips) {
System.out.println(i.getHostAddress());
}
}
private static void showIpInfo(InetAddress ip) {
// 获取主机名称
System.out.println(ip.getHostName());
// 获取 IP 地址
System.out.println(ip.getHostAddress());
}
}
![](https://img2024.cnblogs.com/blog/35695/202408/35695-20240826070647288-243310440.jpg)