import java.io.*;

import java.net.*;

class TCPClient {

public static void main(String argv[]) throws Exception {

String Sentence;

String modifiedSentence;

/* creat input stream */

BufferedReader inFromUser =

new BufferedReader(

new InputStreamReader(System.in));

/* create client socket, connect to server */

Socket clientSocket = new Socket("hostname",6789);

/* create output stream attached to socket */

DataOutputStream outToServer =

new DataOutputStream(

clientSocket.getOutputStream());

/* create input stream attached to socket */

BufferedReader inFromUser =

new BufferedReader(

new InputStreamReader(

clientSocket.getInputStream()));

Sentence = inFromUser.readLine();

/* send line to server */

outToServer.writeBytes(sentence + '\n');

/* read line from server */

modifiedSentence = inFromServer.readLine();

System.out.println("From Server: " + modifiedSentence);

clientSocket.close();

}

}