已知域名获取IP地址

import java.net.InetAddress;
import java.net.UnknownHostException;

public class test01 {
    public static void main(String[] args) throws UnknownHostException {
        InetAddress baiduIp = InetAddress.getByName("www.baidu.com");
        System.out.println("IP地址：" + baiduIp.getHostAddress());
    }
}

运行结果：

IP地址：183.232.231.174