Java学习之路--网络编程相关01

package com.kuang.lesson01;

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

//2023.2.28/3.1 Java 狂神说-网络编程实战-IP地址
public class TestnetAddress {
    public static void main(String[] args) {
        //测试ip
        try {
            //查询本机地址
            InetAddress inetAddress1 = InetAddress.getByName("127.0.0.1");
            InetAddress inetAddress2 = InetAddress.getByName("localhost");
            InetAddress inetAddress3 = InetAddress.getLocalHost();
            System.out.println(inetAddress1);
            System.out.println(inetAddress2);
            System.out.println(inetAddress3);

            //查询网站ip地址
            InetAddress inetAddress4 = InetAddress.getByName("www.baidu.com");
            InetAddress inetAddress5 = InetAddress.getByName("www.alibaba.com");
            InetAddress inetAddress6 = InetAddress.getByName("www.tencent.com");
            System.out.println(inetAddress4);
            System.out.println(inetAddress5);
            System.out.println(inetAddress6);
        } catch (UnknownHostException e) {
            e.printStackTrace();
        }
    }
}

//

package com.kuang.lesson01;

import java.net.InetSocketAddress;

//2023.3.2/3/4 狂神说java--网络编程--端口Port
public class TestSocketAddress {
    public static void main(String[] args) {
        InetSocketAddress socketAddress = new InetSocketAddress("127.0.0.1",8080);
        InetSocketAddress socketAddress1 = new InetSocketAddress("localhost",8080);
        System.out.println(socketAddress);
        System.out.println(socketAddress1);

        System.out.println(socketAddress.getAddress());
        System.out.println(socketAddress1.getAddress());//地址
        System.out.println(socketAddress.getPort());//端口
    }
}