TY_BCS_A_JAVA_SLIP6

SLIP 6:

Write a server program which echoes messages sent by the client. The process continues till the client types “END”.

/* Server_Slip6_2*/

import java.io.*;

import java.net.*;

class Server_Slip6_2

{

            public static void main(String a[]) throws Exception

            {

                        ServerSocket ss = new ServerSocket(1000);

                        System.out.println("Server is waiting for client : ");

                        Socket s =ss.accept();

                        System.out.println("Client is connected");

                        DataInputStream ios=new DataInputStream(s.getInputStream());

                        DataOutputStream dos=new DataOutputStream(s.getOutputStream());

                        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

                        String s1,s2;

                        while(true)

                        {

                                    s1 = (String)ios.readUTF();

                                    if(s1.equals("end") || s1.equals("END"))

                                    {

                                                System.out.println("chatting terminated");

                                                break;

                                    }

                                    System.out.println("Client "+s1);

                                    System.out.println("Server ...");

                                    s2 = br.readLine();

                                    dos.writeUTF(s2);

                                    if(s2.equals("end") || s2.equals("END"))

                                    {

                                                System.out.println("chatting terminated");

                                                break;

                                    }          

                        }

            }

}

/*client_Slip6_2*/

import java.io.*;

import java.net.*;

class Client_Slip6_2

{

            public static void main(String a[]) throws Exception

            {

                        Socket s = new Socket("localhost",1000);

                        System.out.println("client is connected : ");

                        DataInputStream ios=new DataInputStream(s.getInputStream());

                        DataOutputStream dos=new DataOutputStream(s.getOutputStream());

                        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

                        String s1,s2;

                        while(true)

                        {

                                    System.out.println("Server ....");

                                    s1=br.readLine();

                                    dos.writeUTF(s1);

                                    s2=(String)ios.readUTF();

                                    if(s2.equals("end") || s2.equals("END"))

                                    {

                                                System.out.println("chatting terminated");

                                                break;

                                    }

                                    System.out.println("Client "+s2);

                        }

            }

}