Java

class Thread1 implements Runnable
{
   public void run()
   {
      System.out.println("Thread 1 running");
   }
}

class Thread2 implements Runnable
{
   public void run()
   {
      System.out.println("Thread 2 running");
   }
}

class Program
{
   public static void main(string[] args)
   {
      try
      {
         Thread thread1 = new Thread(new Thread1());
         thread1.start();
         
         Thread thread2 = new Thread(new Thread2());
         thread2.start();
      }
      catch(Exception e)
      {
         System.error.println(e);
      }
   }
}

StartProgram{<br />
//- Check for server<br />
  if(serverRunning)<br />
  {<br />
    assumeClientRole()<br />
  }else{<br />
    assumeServerRole()<br />
  }<br />
<br />
  serverRunning<br />
  {<br />
    ListenForServerWaitThreeSeconds<br />
  }<br />
<br />
  assumeClientRole<br />
  {<br />
    BeListenerAndListen <br />
  }<br />
<br />
  assumeServerRole<br />
  {<br />
    BeServerAndBroadcast<br />
  }<br />
}