public static void Main(String[] args) { int result = 0; // Result initialized to say there is no error Cell cell = new Cell( ); CellProd prod = new CellProd(cell, 20); // Use cell for storage, // produce 20 items CellCons cons = new CellCons(cell, 20); // Use cell for storage, // consume 20 items Thread producer = new Thread(new ThreadStart(prod.ThreadRun)); Thread consumer = new Thread(new ThreadStart(cons.ThreadRun)); // Threads producer and consumer have been created, // but not started at this point. try { producer.Start( ); consumer.Start( ); producer.Join( ); // Join both threads with no timeout // Run both until done. consumer.Join( ); // threads producer and consumer have finished at this point. } catch (ThreadStateException e) { Console.WriteLine(e); // Display text of exception result = 1; // Result says there was an error } catch (ThreadInterruptedException e) { Console.WriteLine(e); // This exception means that the thread // was interrupted during a Wait result = 1; // Result says there was an error } // Even though Main returns void, this provides a return code to // the parent process. Environment.ExitCode = result; }