/** A class used to create the necessary interfaces,
    keeping the implementation hidden
    @author Erika Harrison
    @version 1.0 24-06-02
*/
public class DataFactory
{
   public static Queue makeQueue()
   //post: creates a new Queue
   {  return new QueueCL();
   }

   public static RandomInterface makeRandom(long seed)
   //post: creates a random generator, given a mean
   {  return new RandomGen(seed);
   }

   public static RandomInterface makeRandom()
   //post: creates a random generator
   {  return new RandomGen();
   }

}