Experiment No 13 (Socket Programming) :Client Program

// A Java program for a Client

import java.net.*;

import java.io.*;

public class Client {

            // initialize socket and input output streams

    private Socket socket            = null;

    private DataInputStream  input   = null;

    private DataOutputStream out     = null;

 

    // constructor to put ip address and port

    public Client(String address, int port)

    {

        // establish a connection

        try

        {

            socket = new Socket(address, port);

            System.out.println("Connected");

 

            // takes input from terminal

            input  = new DataInputStream(System.in);

 

            // sends output to the socket

            out    = new DataOutputStream(socket.getOutputStream());

        }

        catch(UnknownHostException u)

        {

            System.out.println(u);

        }

        catch(IOException i)

        {

            System.out.println(i);

        }

 

        // string to read message from input

        String line = "";

 

        // keep reading until "Over" is input

        while (!line.equals("Over"))

        {

            try

            {

                line = input.readLine();

                out.writeUTF(line);

            }

            catch(IOException i)

            {

                System.out.println(i);

            }

        }

 

        // close the connection

        try

        {

            input.close();

            out.close();

            socket.close();

        }

        catch(IOException i)

        {

            System.out.println(i);

        }

    }

 

    public static void main(String args[])

    {

        Client client = new Client("127.0.0.1", 5000);

    }

}