4.端口port

 1 package com.Inet.lesson1;
 2 
 3 import java.net.InetSocketAddress;
 4 
 5 public class TestInetSocketAddress {
 6     public static void main(String[] args) {
 7 
 8         InetSocketAddress socketAddress = new InetSocketAddress("127.0.0.1", 8080);
 9         InetSocketAddress socketAddress2 = new InetSocketAddress("localhost", 8080);
10         System.out.println(socketAddress);
11         System.out.println(socketAddress2);
12 
13         System.out.println(socketAddress.getAddress());
14         System.out.println(socketAddress.getHostName());//地址、在这里面改C:\Windows\System32\drivers\etc\hosts
15         System.out.println(socketAddress.getPort());//端口
16 
17     }
18 }
19 结果：
20 /127.0.0.1:8080
21 localhost/127.0.0.1:8080
22 /127.0.0.1
23 127.0.0.1
24 8080
25 
26 package com.Inet.lesson1;
27 
28 import java.net.InetSocketAddress;
29 
30 public class TestInetSocketAddress {
31     public static void main(String[] args) {
32 
33         InetSocketAddress socketAddress = new InetSocketAddress("127.0.0.1", 8080);
34         InetSocketAddress socketAddress2 = new InetSocketAddress("localhost", 8080);
35         System.out.println(socketAddress);
36         System.out.println(socketAddress2);
37 
38         System.out.println(socketAddress.getAddress());
39         System.out.println(socketAddress.getHostName());//地址、在这里面改C:\Windows\System32\drivers\etc\hosts
40         System.out.println(socketAddress.getPort());//端口
41 
42     }
43 }
44 结果：
45 /127.0.0.1:8080
46 loca