Socket Programming

Socket programing 2

//Server//
import java.io.*;

import java.net.*;

public class server {

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();

System.out.println("Message from client : "+ clientSentence);



}

}

}

Socket programing 4

//CLIENT11//
 java.io.*;

import java.net.*;

class client11

{

public static void main(String args[])

{

String data;

try

{

DatagramSocket s=new DatagramSocket();

do

{

System.out.println("Enter the data");

DataInputStream dis=new DataInputStream(System.in);

InetAddress ip=InetAddress.getByName("");

byte[] senddata=new byte[1024];

byte[] receivedata=new byte[1024];

data=dis.readLine();

senddata=data.getBytes();

DatagramPacket sp=new DatagramPacket(senddata,senddata.length,ip,8050);

s.send(sp);

DatagramPacket rp=new DatagramPacket(receivedata,receivedata.length);

s.receive(rp);

String msg=new String(rp.getData());

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

}

while(!data.equalsIgnoreCase("end"));

s.close();

}

catch(Exception e){}

}}

Socket Programming 1

//server11//
import java.io.*;

import java.net.*;

class server11

{

public static void main(String args[])

{

try

{

DatagramSocket s=new DatagramSocket(8050);

byte[] rd=new byte[1024];

byte[] sd=new byte[1024];

String sent;

do

{

DatagramPacket rp=new DatagramPacket(rd,rd.length);

s.receive(rp);

String data=new String(rp.getData());

System.out.println("Received from client:"+data);

InetAddress ip=rp.getAddress();

System.out.println("Address:"+ip);

int port=rp.getPort();

System.out.println("Port:"+port);

System.out.println("Enter the data to send");

DataInputStream dis=new DataInputStream(System.in);

sent=dis.readLine();

sd=sent.getBytes();

DatagramPacket sp=new DatagramPacket(sd,sd.length,ip,port);

s.send(sp);

}

while(!sent.equalsIgnoreCase("end"));

s.close();

}

catch(IOException e){}

}}

Socket programming 3

//CLIENT//
import java.io.*;

import java.net.*;

public class client{

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

String sentence;



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);



clientSocket.close();

}

}