自定义服务端

/* 演示客户端与服务端客户端:浏览器服务端:自定义 */import java.net.*;import java.io.*;class ServerDemo{	public static void main(String[] args)throws Exception{		ServerSocket ss=new ServerSocket(11000);		Socket s=ss.accept();		System.out.println(s.getInetAddress().getHostAddress());		PrintWriter out=new PrintWriter(s.getOutputStream(),true);		out.println("你好");		s.close();		ss.close();	}}

Tomcat服务端

/*客户端:浏览器服务端:Tomcat服务器 */			
这是我的主页
		欢迎光临		
    
     			苟利国家生死已
     
			岂因祸福避趋之
     
		
    
	

自定义浏览器-tomcat服务端

import java.io.*;import java.net.*;class myIE{	public static void main(String[] args)throws Exception{		Socket s=new Socket("192.168.1.135",8080);		PrintWriter out=new PrintWriter(s.getOutputStream(),true);		out.println("GET /myweb/demo.html HTTP/1.1");		out.println("Accept: */*");		out.println("Accept-Language: zh-CN,zh");		out.println("Host: 192.168.1.135:11000");		out.println("Connection: keep-alive");				out.println("");		out.println("");		out.println("");				BufferedReader bufr=			new BufferedReader(new InputStreamReader(s.getInputStream()));		String line=null;		while((line=bufr.readLine())!=null){			System.out.println(line);		}		s.close();	}}// GET / HTTP/1.1    请求行// Host: 192.168.1.135:11000// Connection: keep-alive// Upgrade-Insecure-Requests: 1// User-Agent: Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko)// Chrome/51.0.2704.106 Safari/537.36// Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0// .8// Accept-Encoding: gzip, deflate, sdch// Accept-Language: zh-CN,zh;q=0.8

URL-URLConnection

import java.net.*;import java.io.*;class URLConnectionDemo{	public static void main(String[] args)throws Exception{		URL url=new URL("http://192.168.1.135:8080/myweb/demo.html");		URLConnection conn=url.openConnection();		System.out.println(conn);				InputStream in=conn.getInputStream();		byte[]buf=new byte[1024];		int len=in.read(buf);		System.out.println(new String(buf,0,len));	}}

域名解析

    想要将主机名翻译成IP地址，需要域名解析，DNS