// Filename SafeDemo.java.
// Written for JFL book Chapter 8 see text.
// Fintan Culwin, v0.1, January 1997.
// Modified by X. Meng according to the JFL book
// so that the actions and data are synchronized.


public class SafeDemo { 

   public static void main( String argv[]) { 

   Synch   synch = new Synch();
   SafeWriter   aWriter   = new SafeWriter( synch );
   SafeReader   aReader   = new SafeReader( synch );

      aWriter.start();
      aReader.start();
   } // End main.   
} // End  SafeDemo.