ServerSocket connection

import java.net.InetAddress;
import java.net.ServerSocket;
import java.net.Socket;
/*ja va  2  s  .  co m*/
public class Main {
  public static void main(String[] args) throws Exception {
    ServerSocket server = new ServerSocket(8123);
    while (true) {
      Socket sock = server.accept();
      InetAddress addr = sock.getInetAddress();
      System.out.println("Connection made to " + 
              addr.getHostName() + 
              " (" + 
              addr.getHostAddress()+ 
              ")");
      Thread.sleep(5000);
      sock.close();
    }
  }
}

import java.io.IOException;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
//from j ava2s  . c  o m
public class MainClass {

  public static void main(String[] args) throws IOException {

    int port = 2345;
    ServerSocket ss = new ServerSocket(port);
    while (true) {
      try {
        Socket s = ss.accept();

        String response = "Hello " + s.getInetAddress() + " on port " + s.getPort() + "\r\n";
        response += "This is " + s.getLocalAddress() + " on port " + s.getLocalPort() + "\r\n";
        OutputStream out = s.getOutputStream();
        out.write(response.getBytes("US-ASCII"));
        out.flush();
        s.close();
      } catch (IOException ex) {
      }
    }
  }
}

import java.io.IOException;
import java.io.OutputStream;
import java.net.ServerSocket;
import java.net.Socket;
/*from  jav  a2  s  .  co  m*/
public class MainClass {

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

    int port = 37;
    ServerSocket server = new ServerSocket(port);
    while (true) {
      Socket connection = null;
      connection = server.accept();
      OutputStream out = connection.getOutputStream();
      out.write(123);
      out.flush();
      connection.close();
    }
  }

}

import java.io.DataOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
//from  jav  a  2  s  . co m
public class Main {
  public static void main(String args[]) throws Exception {
    ServerSocket ssock = new ServerSocket(1234);
    while (true) {
      System.out.println("Listening");
      Socket sock = ssock.accept();

      DataOutputStream dstream = new DataOutputStream(sock.getOutputStream());
      dstream.writeFloat(3.14159265f);
      dstream.close();
      sock.close();
    }
  }
}

import java.io.ObjectOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.Hashtable;
//from  j  a  va 2s .  c  o m
public class Main {
  public static void main(String args[]) throws Exception {
    ServerSocket ssock = new ServerSocket(1234);
    Hashtable hash = new Hashtable();
    hash.put("A", "a");

    while (true) {
      Socket sock = ssock.accept();
      ObjectOutputStream ostream = new ObjectOutputStream(sock.getOutputStream());
      ostream.writeObject(hash);
      ostream.close();
      sock.close();
    }
  }
}

import java.net.ServerSocket;
import java.net.Socket;
import java.util.zip.GZIPInputStream;
// j ava2s.c o  m
public class Main {
  public static void main(String[] args) throws Exception {
    ServerSocket ssock = new ServerSocket(Integer.parseInt(args[0]));
    Socket sock = ssock.accept();
    GZIPInputStream zip = new GZIPInputStream(sock.getInputStream());
    while (true) {
      int c;
      c = zip.read();
      if (c == -1)
        break;
      System.out.print((char) c);
    }
  }
}