FILE TRANSFER PROTOCOL PROGRAM IN JAVA

CLIENT

import java.net.*;

import java.io.*;

public class Fclient

{

public static void main(String[] args)throws IOException

{

Socket echosocket=null;

BufferedReader in=null;

try

{

echosocket=new Socket(InetAddress.getLocalHost(),95);

in=new BufferedReader(new InputStreamReader(echosocket.getInputStream()));

}

catch(UnknownHostException e)

{

System.out.println(“DON’T KNOW ABOUT HOST”);

System.exit(1);

}

catch(IOException e)

{

System.err.println(“couldn’t get i/o for the connection”);

System.exit(1);

}

String userinput;

while((userinput=in.readLine())!=null)

{

System.out.println(userinput);

}

in.close();

echosocket.close();

}

}

SERVER

import java.net.*;

import java.io.*;

public class Fserver

{

public static void main(String args[])throes IOException

{

ServerSocket serversocket null;

try

{

serversocket=new ServerSocket(95);

}

catch(IOException e)

{

System.out.println(“could not listen on port:95”);

System.exit(1);

}

Socket clientsocket=null;

try

{

clientsocket=serversocket.accept();

System.out.println(“connected to:”+clientsocket);

}

catch(IOException e)

{

System.err.println(“accept failed”);

System.exit(1);

}

try

{

PrintWriter out=new PrintWriter(clientsocket.getOutputStream(),true);

String inputline,outputline;

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

System.out.println(“Enter data in server”);

String s=stdin.readLine();

File f=new File(s);

if(f.exists())

{

BufferedReader d=new BufferedReader(new FileReader(s));

String line;

while((line=d.readLine())!=null)

{

out.write(line);

out.flush();

}

d.close();

out.close();

}

}

catch(FileNotFoundException e)

{

}

clientsocket.close();

serversocket.close();

}

}