// Fig. 23.12: UnsynchronizedBuffer.java
// UnsynchronizedBuffer maintains the shared integer that is accessed by 
// a producer thread and a consumer thread.
public class UnsynchronizedBuffer implements Buffer {
   private int buffer = -1; // shared by producer and consumer threads

   // place value into buffer
   @Override
   public void blockingPut(int value) throws InterruptedException {
      System.out.printf("Producer writes\t%2d", value);
      buffer = value;
   } 

   // return value from buffer
   @Override
   public int blockingGet() throws InterruptedException {
      System.out.printf("Consumer reads\t%2d", buffer);
      return buffer;
   }
} 


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