/**
    This class performs several simple traffic simulations.
*/


public class A9Simulation
{ 
  
     
     /**
         Prints values of traffic counts and average waiting time that
           have been maintained by an A9Simulator
         @param sim the simulator
     */
     
     public static void printResults(A9Simulator sim)                           {
     
       System.out.println("The total amount of N-S traffic was " +
        sim.getNSVehicleCount() + " vehicles");                                                                     
       System.out.println("The total amount of E-W traffic was " +
        sim.getEWVehicleCount() + " vehicles");                                                                     
       System.out.println("The total amount of traffic was " +
        sim.getVehicleCount() + " vehicles");         

       System.out.println("The average waiting time for N-S traffic was " +
        sim.computeAverageNSWaitingTime() + " seconds");                                                                     
       System.out.println("The average waiting time for E-W traffic was " +
        sim.computeAverageEWWaitingTime() + " seconds");                                                                     
       System.out.println("The average overall waiting time was " +
        sim.computeAverageWaitingTime() + " seconds");                          }                           
 
   
   
   /**
       Performs several brief simulations using A9Simulator objects.
       @param args is ignored
   */

   
   public static void main(String[] args)
   {  
      A9Simulator sim = new A9Simulator(40, 50, 0.08, 0.10, 9);
      sim.simulate(1800);
      printResults(sim);
      System.out.println();
      sim = new A9Simulator(40, 50, 0.08, 0.10, 9);
      sim.simulate(1800);
      printResults(sim);
      System.out.println();
      sim = new A9Simulator(50, 40, 0.08, 0.10, 9);
      sim.simulate(1800);
      printResults(sim);
      System.out.println();
      sim = new A9Simulator(50, 40, 0.08, 0.10, 99);
      sim.simulate(1800);
      printResults(sim);
   }   
      
     
}