// Fig 23.19: CircularBufferTest.java
// Producer and Consumer threads correctly manipulating a circular buffer.
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;

public class CircularBufferTest
{
   public static void main(String[] args) throws InterruptedException
   {
      // create new thread pool with two threads
      ExecutorService executorService = Executors.newCachedThreadPool();

      // create CircularBuffer to store ints
      CircularBuffer sharedLocation = new CircularBuffer();

      // display the initial state of the CircularBuffer
      sharedLocation.displayState("Initial State");

      // execute the Producer and Consumer tasks
      executorService.execute(new Producer(sharedLocation));
      executorService.execute(new Consumer(sharedLocation));

      executorService.shutdown();
      executorService.awaitTermination(1, TimeUnit.MINUTES); 
   }
} // end class CircularBufferTest



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