import java.net.*;
import java.io.*;
public class TCPServer {
   public static void main (String args[]) {
      try {
         int serverPort = 10035; // the server port
         ServerSocket listenSocket = new ServerSocket(serverPort);
         while(true) {
            Socket clientSocket = listenSocket.accept();
            Connection c = new Connection(clientSocket);
         }
      } catch(IOException e) {System.out.println("Listen socket:"+e.getMessage());}
   }
}



class Connection extends Thread {
   DataInputStream in;
   DataOutputStream out;
   Socket clientSocket;

   public Connection (Socket aClientSocket) {
      try {
      clientSocket = aClientSocket;
      in = new DataInputStream( clientSocket.getInputStream());
      out =new DataOutputStream( clientSocket.getOutputStream());
      this.start();
      } catch(IOException e) {
        System.out.println("Connection:"+e.getMessage());
      }
   }

   public void run(){
      try {        // an echo server
         String data = in.readUTF();   // read a line of data from the stream
         out.writeUTF(data);
      } catch (EOFException e){
        System.out.println("EOF:"+e.getMessage());
      } catch(IOException e) {
        System.out.println("readline:"+e.getMessage());
      } finally { 
           try {
             clientSocket.close();
           } catch (IOException e){ 
                /*close failed*/
           }
      }
   }
}