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import java.io.*;

import java.net.*;

import java.applet.Applet;

public class talkserver

{

public static void main(String args[])

{

try

{

ServerSocket server = null;

try

{

server = new ServerSocket(4700);

}catch(Exception e)

{

System.out.println("can not listen to:" + e);

}

Socket socket = null;

try

{

socket = server.accept();

}catch(Exception e)

{

System.out.println("Error:" + e);

}

String line;

BufferedReader is = new BufferedReader(new InputStreamReader(

socket.getInputStream()));

PrintWriter os = new PrintWriter(socket.getOutputStream());

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

System.out.println("Client:" + is.readLine());

line = sin.readLine();

while (!line.equals("bye"))

{

os.println(line);

os.flush();

System.out.println("Server:" + line);

System.out.println("Client:" + is.readLine());

line = sin.readLine();

}

is.close();

os.close();

socket.close();

server.close();

}catch(Exception e)

{

System.out.println("Error" + e);

}

}

}