服务端和客户端互聊

package socket;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.net.ServerSocket;

import java.net.Socket;

import java.util.Scanner;

public class Server {

public static void main(String[] args) {

try {

ServerSocket ss = new ServerSocket( 8888 );

System.out.println( "监听在端口号:8888" );

Socket s = ss.accept();

InputStream is = s.getInputStream();

DataInputStream dis = new DataInputStream(is);

OutputStream os = s.getOutputStream();

DataOutputStream dos = new DataOutputStream(os);

while ( true ) {

String msg = dis.readUTF();

System.out.println( "收到客户端信息" +msg);

Scanner sc = new Scanner(System.in);

String str = sc.next();

dos.writeUTF(str);

}

} catch (IOException e) {

// TODO Auto-generated catch block

e.printStackTrace();

}

 
  package  
  socket; 
 
  import  
  java.io.DataInputStream; 
 
  import  
  java.io.DataOutputStream; 
 
  import  
  java.io.IOException; 
 
  import  
  java.io.InputStream; 
 
  import  
  java.io.OutputStream; 
 
  import  
  java.net.Socket; 
 
  import  
  java.net.UnknownHostException; 
 
  import  
  java.util.Scanner; 
 
  public  
  class  
  Client { 
 
  public  
  static  
  void  
  main(String[] args) { 
 
  try  
  { 
 
  Socket s =  
  new  
  Socket( 
  "127.0.0.1" 
  ,  
  8888 
  ); 
 
  OutputStream os = s.getOutputStream(); 
 
  DataOutputStream dos =  
  new  
  DataOutputStream(os); 
 
  InputStream is = s.getInputStream(); 
 
  DataInputStream dis =  
  new  
  DataInputStream(is); 
 
  while 
  ( 
  true 
  ){ 
 
  Scanner sc =  
  new  
  Scanner(System.in); 
 
  String str = sc.next(); 
 
  dos.writeUTF(str); 
 
  String msg = dis.readUTF(); 
 
  System.out.println( 
  "收到服务端信息" 
  +msg); 
 
  } 
 
  }  
  catch  
  (UnknownHostException e) { 
 
  // TODO Auto-generated catch block 
 
  e.printStackTrace(); 
 
  }  
  catch  
  (IOException e) { 
 
  // TODO Auto-generated catch block 
 
  e.printStackTrace(); 
 
  } 
 
  } 
 
  }

服务端和客户端互聊

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