From the example of client1.java and server1.java, extends the work to enable chatting among peer to peer. Hint : Add looping for both file prompt message to enter for both files terminate communication when 'q' was press for both files. 'q' stands for quit. (server 1) import java.net.; import java.io.; class server1 { public static void main(String[] args) throws Exception { System.out.println("Server is Started"); ServerSocket ss = new ServerSocket(7777); System.out.println("Server is waiting"); Socket s = ss.accept(); System.out.println("Server is connected"); DataInputStream dis = new DataInputStream(s.getInputStream()); String str = (String)dis.readUTF(); System.out.println("Client : " + str); String nickName = "Testing from server"; DataOutputStream dout = new DataOutputStream(s.getOutputStream()); dout.writeUTF(nickName); dout.flush(); dout.close(); dis.close(); s.close(); } } (client 1) import java.net.; import java.io.; class client1 { public static void main(String[] args) throws Exception{ Socket s = new Socket("localhost", 7777); DataOutputStream dout = new DataOutputStream(s.getOutputStream()); dout.writeUTF("Hello"); DataInputStream dis = new DataInputStream(s.getInputStream()); String str = (String)dis.readUTF(); System.out.println("Data from server : " + str); dout.flush(); dout.close(); s.close(); } }

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

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From the example of client1.java and server1.java, extends the work to enable chatting among peer to peer.

Hint :

Add looping for both file
prompt message to enter for both files
terminate communication when 'q' was press for both files. 'q' stands for quit.

(server 1)

import java.net.*;
import java.io.*;
class server1 {
public static void main(String[] args) throws Exception {
   System.out.println("Server is Started");
   ServerSocket ss = new ServerSocket(7777);
   System.out.println("Server is waiting");
   Socket s = ss.accept();
   System.out.println("Server is connected");
   DataInputStream dis = new DataInputStream(s.getInputStream());
   String str = (String)dis.readUTF();
   System.out.println("Client : " + str);

   String nickName = "Testing from server";

   DataOutputStream dout = new DataOutputStream(s.getOutputStream());
   dout.writeUTF(nickName);
   dout.flush();

   dout.close();
   dis.close();
   s.close();
}
}

(client 1)

import java.net.*;
import java.io.*;
class client1 {
   public static void main(String[] args) throws Exception{
       Socket s = new Socket("localhost", 7777);
       DataOutputStream dout = new DataOutputStream(s.getOutputStream());
       dout.writeUTF("Hello");

       DataInputStream dis = new DataInputStream(s.getInputStream());
       String str = (String)dis.readUTF();
       System.out.println("Data from server : " + str);
       dout.flush();
       dout.close();
       s.close();
   }
}

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