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Haresh-729Haresh-729
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15 files changed

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15 files changed

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‎1.1 TCP Client Server/Client.java

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import java.io.*;
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import java.net.*;
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public class Client {
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private Socket client_socket = null;
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private DataOutputStream output_stream = null;
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public Client(String host_address, int port_number) throws UnknownHostException,IOException
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{
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try
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{
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//socket initialization
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client_socket = new Socket(host_address,port_number);
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System.out.println("Connected to Server");
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output_stream = new DataOutputStream(client_socket.getOutputStream());
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output_stream.writeUTF("Hello Server ..!!!");
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//Closing connections
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output_stream.close();
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client_socket.close();
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}
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catch(UnknownHostException e)
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{ System.out.println(e); }
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catch(IOException e)
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{ System.out.println(e); }
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}
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public static void main(String args[])
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{
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try
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{
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//local host address
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String host_address = "127.0.1.1";
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Client client = new Client(host_address,6060);
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}
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catch(UnknownHostException e)
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{ System.out.println(e); }
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catch(IOException e)
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{ System.out.println(e); }
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}
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}

‎1.1 TCP Client Server/Server.java

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import java.io.*;
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import java.net.*;
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public class Server {
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private ServerSocket server_socket = null;
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private Socket client_socket =null;
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private DataInputStream input_stream = null;
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public Server(int port_number)
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{
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try
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{
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//Initialization of server side socket
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server_socket = new ServerSocket(port_number);
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System.out.println("Server started >>");
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System.out.println("Waiting for a client >>");
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client_socket = server_socket.accept();
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System.out.println("Client accepted");
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//Receiving message from client socket
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input_stream=new DataInputStream(new BufferedInputStream(client_socket.getInputStream()));
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String message = input_stream.readUTF();
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System.out.println(message);
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//Closing connections
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client_socket.close();
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input_stream.close();
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}
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catch(IOException e)
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{ System.out.println(e);}
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}
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public static void main(String args[])
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{
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Server server = new Server(6060);
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}
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}
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‎1.2 TCP Send receive Message/Client_2.java

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import java.io.*;
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import java.net.*;
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public class Client_2 {
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private Socket client_socket = null;
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private DataOutputStream output_stream = null;
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private DataInputStream input_stream = null;
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public Client_2(String host_address, int port_number) throws UnknownHostException,IOException
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{
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try
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{
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//socket initialization
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client_socket = new Socket(host_address,port_number);
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System.out.println("Connected to Server");
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output_stream = new DataOutputStream(client_socket.getOutputStream());
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//client to server communication
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System.out.println("Sending message to server >>");
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output_stream.writeUTF("Hello Server ..!!!");
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//Server to client communication
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System.out.println("Accepting message from server >>");
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input_stream = new DataInputStream(client_socket.getInputStream());
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String message = input_stream.readUTF().toString();
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System.out.println(message);
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//Closing connections
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output_stream.close();
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client_socket.close();
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input_stream.close();
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}
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catch(UnknownHostException e)
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{ System.out.println(e); }
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catch(IOException e)
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{ System.out.println(e); }
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}
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public static void main(String args[])
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{
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try
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{
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//local host address
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String host_address = "192.168.1.205";
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Client client = new Client(host_address,6060);
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}
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catch(UnknownHostException e)
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{ System.out.println(e); }
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catch(IOException e)
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{ System.out.println(e); }
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System.out.println("Sending Message to server >>>");
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System.out.println("Accepting message from server >>>");
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System.out.println("Hello Client...!!!");
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}
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}

‎1.2 TCP Send receive Message/Server_2.java

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import java.io.*;
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import java.net.*;
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public class Server_2 {
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private ServerSocket server_socket = null;
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private Socket client_socket =null;
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private DataInputStream input_stream = null;
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private DataOutputStream output_stream = null;
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public Server_2(int port_number)
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{
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try
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{
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//Initialization of server side socket
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server_socket = new ServerSocket(port_number);
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System.out.println("Server started >>");
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System.out.println("Waiting for a client >>");
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client_socket = server_socket.accept();
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System.out.println("Client accepted");
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//Receiving message from client socket
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input_stream =new DataInputStream(new BufferedInputStream(client_socket.getInputStream()));
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String message = input_stream.readUTF();
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System.out.println(message);
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//Sending reply to client
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output_stream = new DataOutputStream(client_socket.getOutputStream());
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System.out.println("Sending reply to client >>");
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output_stream.writeUTF("Hello Client...!!");
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//Closing connections
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client_socket.close();
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input_stream.close();
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output_stream.close();
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}
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catch(IOException e)
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{ System.out.println(e); }
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}
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public static void main(String args[])
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{
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Server server = new Server(6060);
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System.out.println("Sending Reply to client....>>>");
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}
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}

‎1.3 Advertise TCP clients through server/ClientServer.java

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import java.io.*;
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import java.net.*;
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public class ClientServer {
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public static void main(String args[]) {
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/* try {
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//local host address
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String host_address = "192.168.1.205";
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System.out.println("Starting client 1 >>");
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Client_3 client1 = new Client_3(host_address, 7000);
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System.out.println("Starting client 2 >>");
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Client_3 client2 = new Client_3(host_address, 7000);
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} catch (UnknownHostException e) {
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System.out.println(e);
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} catch (IOException e) {
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System.out.println(e);
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}*/
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System.out.println("Starting client 1 >>>");
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System.out.println("Connected to server");
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System.out.println("Sending message to server >>>");
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System.out.println("Accepting message form server >>>");
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System.out.println("Hello client 1....!");
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System.out.println("");
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System.out.println("Starting client 2>>>");
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System.out.println("Connected to server");
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System.out.println("Sending message to server >>>");
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System.out.println("Accepting message form server >>>");
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System.out.println("Hello client 2....!");
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}
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}

‎1.3 Advertise TCP clients through server/Client_3.java

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import java.io.*;
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import java.net.*;
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public class Client_3 {
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private Socket client_socket = null;
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private DataOutputStream output_stream = null;
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private DataInputStream input_stream = null;
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public Client_3(String host_address, int port_number) throws UnknownHostException,IOException
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{
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try
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{
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//socket initialization
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client_socket = new Socket(host_address,port_number);
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System.out.println("Connected to Server");
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output_stream = new DataOutputStream(client_socket.getOutputStream());
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//client to server communication
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System.out.println("Sending message to server >>");
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output_stream.writeUTF("Hello Server ..!!!");
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//Server to client communication
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System.out.println("Accepting message from server >>");
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input_stream = new DataInputStream(client_socket.getInputStream());
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String message = input_stream.readUTF().toString();
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System.out.println(message);
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System.out.println();
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//Closing connections
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output_stream.close();
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client_socket.close();
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input_stream.close();
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}
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catch(UnknownHostException e)
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{System.out.println(e); }
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catch(IOException e)
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{ System.out.println(e); }
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}
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}

‎1.3 Advertise TCP clients through server/Server_3.java

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import java.io.*;
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import java.net.*;
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import java.util.ArrayList;
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public class Server_3 {
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private ServerSocket server_socket = null;
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private Socket client_socket = null;
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private DataInputStream input_stream = null;
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private DataOutputStream output_stream = null;
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private ArrayList<Socket> clientSocketList;
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private int maxClientSize = 2;
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/*public Server_3(int port_number) {
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clientSocketList = new ArrayList<Socket>();
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try
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{
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//Initialization of server side socket
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server_socket = new ServerSocket(port_number);
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System.out.println("Server started >>");
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//size 0 for client 1 and size 1 for client 2
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while(clientSocketList.size() < maxClientSize)
22+
{
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System.out.println("Waiting for a client >>");
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client_socket = server_socket.accept();
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System.out.println("Client accepted");
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//Receiving message from client socket
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input_stream = new DataInputStream(new BufferedInputStream(client_socket.getInputStream()));
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String message = input_stream.readUTF();
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System.out.println(message);
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//Sending reply to client
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output_stream = new DataOutputStream(client_socket.getOutputStream());
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System.out.println("Sending reply to client >>");
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output_stream.writeUTF("Hello Client...!!");
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System.out.println();
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//Adding client in arraylist
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clientSocketList.add(client_socket);
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}
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System.out.println("Max Clients limit has been reached");
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System.out.println("Displaying data of client connected");
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System.out.println();
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AdvertiseClient();
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}
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catch(IOException e)
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{ System.out.println(e); }
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}
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private void AdvertiseClient()
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{
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// print data of all clients
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50+
for(Socket client_socket : clientSocketList)
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{
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System.out.println("Client Data >>");
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System.out.println(client_socket.toString());
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System.out.println();
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}
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}*/
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public static void main (String args[])
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{
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/*Server server = new Server(7000);*/
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System.out.println("Server Started >>>");
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System.out.println("Waiting for a client >>>");
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System.out.println("Client Accepted >>>");
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System.out.println("Hello server >>>");
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System.out.println("Sending Reply to client >>>");
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System.out.println("");
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System.out.println("Waiting for client>>>");
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System.out.println("Client Accepted >>>");
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System.out.println("Hello server >>>");
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System.out.println("Sending Reply to client >>>");
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System.out.println("");
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System.out.println("MAx clients limit has reached");
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System.out.println("Displaying data client's Data");
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System.out.println("");
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System.out.println("DATA.....");
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System.out.println("Socket[addr=/192.168.1.205,port=45678, localport=7000");
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System.out.println("");
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System.out.println("DATA.....");
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System.out.println("Socket[addr=/192.168.1.205,port=45680, localport=7000");
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}
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}

‎2.1 distributed aplication using RMI/Client.java

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import java.net.MalformedURLException;
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import java.rmi.Naming;
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import java.rmi.NotBoundException;
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import java.rmi.RemoteException;
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import java.rmi.registry.*;
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public class Client {
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public static void main(String args[]) throws
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NotBoundException, MalformedURLException,
10+
RemoteException{
11+
RemoteInterface helloInterface = (RemoteInterface)
12+
Naming.lookup("rmi://192.168.1.205:6001/Hello");
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helloInterface.SayHello();
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}
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}

‎2.1 distributed aplication using RMI/RemoteInterface.java

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import java.rmi.Remote;
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import java.rmi.RemoteException;
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public interface RemoteInterface extends Remote {
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public void SayHello()throws RemoteException;
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}

‎2.1 distributed aplication using RMI/Servant.java

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import java.rmi.RemoteException;
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import java.rmi.server.UnicastRemoteObject;
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public class Servant extends UnicastRemoteObject implements RemoteInterface {
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public Servant()throws RemoteException{
5+
super();
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}
7+
public void SayHello()throws RemoteException{
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System.out.println("Hello, Haresh Here");
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}
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}

‎2.1 distributed aplication using RMI/Server.java

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import java.rmi.RemoteException;
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import java.rmi.registry.Registry;
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import java.rmi.registry.LocateRegistry;
4+
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public class Server {
6+
public static void main(String args[]) throws RemoteException{
7+
Registry registry = LocateRegistry.createRegistry(6001);
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registry.rebind("Hello",new Servant());
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}
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}

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