/*
import javax.xml.crypto.Data;
import java.io.*;
import java.util.*;
import java.net.*;

class TCPServer
{
    private ServerSocket serverSocket;

    public TCPServer() throws IOException {
        serverSocket=new ServerSocket(9876);
    }

    public InetAddress getAdress(){return serverSocket.getInetAddress();}
    public int getPort(){return serverSocket.getLocalPort();}

    public void listen() throws IOException {
        String data=null;
        Socket client=serverSocket.accept();
        String clientAdress=client.getInetAddress().getHostAddress();
        int localPort=client.getLocalPort();

        System.out.println("Established connection with "+clientAdress);
        DataInputStream inputStream=null;
        try{
            inputStream=new DataInputStream(new BufferedInputStream(
                    client.getInputStream()
            ));
            System.out.println(inputStream.readDouble());
            System.out.println(inputStream.readLong());
            System.out.println(inputStream.readBoolean());
            System.out.println(inputStream.readUTF());
        }
        finally {
            if(inputStream!=null)
                inputStream.close();
        }

    }
}

class TCPClient
{
    private Socket server;
    private DataOutputStream out;
    TCPClient(InetAddress serverAdress, int serverPort) throws IOException {
        server=new Socket(serverAdress,serverPort);
        out=null;
    }

    public void start() throws IOException {
        try{
            out=new DataOutputStream(server.getOutputStream());
            out.writeDouble(1.25);
            out.writeLong(123584124);
            out.writeBoolean(true);
            out.writeUTF("UTF String");

            out.flush();
        } catch (IOException e) {
            e.printStackTrace();
        }
        finally {
            if(out!=null)
                out.close();
        }
    }

}

public class Connection{
    public static void main(String[] args) throws IOException {
        TCPServer tcpServer=new TCPServer();
        TCPClient tcpClient=new TCPClient(tcpServer.getAdress(),tcpServer.getPort());
        tcpServer.listen();
        tcpClient.start();
    }
}

*/