import java.net.ServerSocket;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Server {

    private static final String MESSAGE = "tohle posli zpet";

    public static void main(String[] args) {
        try {
            ExecutorService threadPool = Executors.newCachedThreadPool();
            ServerSocket server = new ServerSocket(12345);

            while (true) {
                Vlakno vlakno = new Vlakno(server.accept());
                threadPool.execute(vlakno);
            }

        } catch (Exception e) {
            System.err.println(e.getMessage());
        }
    }