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    TCP program

    Uploaded by

    Bhuvaneshwari K V

    Copyright:

    © All Rights Reserved
    Download as TXT, PDF, TXT or read online from Scribd

    TCP program

    Uploaded by

    Bhuvaneshwari K V
    4 views1 page

    Copyright

    © © All Rights Reserved

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    TXT, PDF, TXT or read online from Scribd

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    Copyright:

    © All Rights Reserved
    Download as TXT, PDF, TXT or read online from Scribd
    Download as txt, pdf, or txt
    4 views1 page

    TCP program

    Uploaded by

    Bhuvaneshwari K V

    Copyright:

    © All Rights Reserved
    Download as TXT, PDF, TXT or read online from Scribd
    Download as txt, pdf, or txt
    You are on page 1of 1

    Using TCP/IP sockets, write a client – server program to make the client send the

    file name
    and to make the server send back the contents of the requested file if present.

    import java.io.*;
    import java.net.*;

    public class TCPClient {


    public static void main(String argv[]) throws Exception {
    String sentence;
    String modifiedSentence;
    BufferedReader inFromUser = new BufferedReader(new
    InputStreamReader(System.in));

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


    DataOutputStream outToServer = new
    DataOutputStream(clientSocket.getOutputStream());
    BufferedReader inFromServer = new BufferedReader(new
    InputStreamReader(clientSocket.getInputStream()));

    sentence = inFromUser.readLine();
    outToServer.writeBytes(sentence + '\n');
    modifiedSentence = inFromServer.readLine();
    System.out.println(modifiedSentence);
    clientSocket.close();
    }
    }

    server code:

    import java.io.*;
    import java.net.*;

    public class TCPServer {


    public static void main(String args[]) throws Exception {
    String clientSentence;
    String capitalizedSentence;
    ServerSocket welcomeSocket = new ServerSocket(6789);

    while(true) {
    Socket connectionSocket = welcomeSocket.accept();
    BufferedReader inFromClient = new BufferedReader(new
    InputStreamReader(connectionSocket.getInputStream()));
    DataOutputStream outToClient = new
    DataOutputStream(connectionSocket.getOutputStream());
    clientSentence = inFromClient.readLine();
    capitalizedSentence = clientSentence.toUpperCase() + '\n';
    outToClient.writeBytes(capitalizedSentence);
    }
    }
    }

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