gistfile1.txt

import java.io.IOException;
import java.io.ObjectInputStream;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.net.Socket;
import java.util.concurrent.CountDownLatch;

public class Server {
    final CountDownLatch latch = new CountDownLatch(1);

    public void run(int port) throws IOException, InterruptedException {
        
        final ServerSocket socket = new ServerSocket();
        socket.bind(new InetSocketAddress(port));
        Thread t = new Thread(new Runnable() {
            
            public void run() {
                Socket s = null;
                try {
                    s = socket.accept();
                    ObjectInputStream in = new ObjectInputStream(s.getInputStream());
                    System.out.println(in.readObject());
                } catch (Exception e) {
                    e.printStackTrace();
                }   finally {
                    if (s != null) {
                        try {
                            s.close();
                        } catch (IOException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                    }
                    latch.countDown();
                }
            }
        });
        t.start();
        
    }
    
    public void await() throws InterruptedException {
        latch.await();
    }
    
    public static void main(String args[]) throws NumberFormatException, IOException, InterruptedException {
        Server server = new Server();
        server.run(Integer.parseInt(args[0]));
        server.await();
    }
}