网络编程IP-InetAddress

网络编程IP-InetAddress

import java.net.InetAddress;
import java.net.UnknownHostException;
​
public class TestIP {
    public static void main(String[] args) {
        try {
            InetAddress inetAddress1 = InetAddress.getByName("www.baidu.com");
            System.out.println(inetAddress1);//www.baidu.com/110.242.68.3
​
            InetAddress localHost = InetAddress.getLocalHost();
            System.out.println(localHost);//本机用户/本机IP
​
            System.out.println(inetAddress1.getCanonicalHostName());
            //110.242.68.3
            System.out.println(inetAddress1.getHostAddress());
            //110.242.68.3
            System.out.println(inetAddress1.getHostName());
            //www.baidu.com
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
​
    }
}