AnnualFuelUseTesterV2.java

/**
 * Write a description of class AnnualFuelUseTester here.
 * 
 * @author Bijan Tajmir 
 * @version 11/12/14
 */
import java.io.*;
import java.text.*;
import java.util.*;
public class AnnualFuelUseTesterV2
{
     public static void main(String[] args)
     {
         System.out.printf("%s \n","Fill Up   Days   Start Miles   End Miles   Distance   Gallons Used   MPG   Price   Cost  ");
         double disMax, disMin, disSum, mpgMax, mpgMin, mpgSum, priceMax, priceMin, priceSum, absMax, absMin, costSum, daySum, gallonsSum;
         disSum = 0.0;
         disMax = 0.0;
         disMin = 0.0;
         mpgMax = 0.0;
         mpgMin = 0.0;
         mpgSum = 0.0;
         priceMax = 0.0;
         priceMin = 0.0;
         priceSum = 0.0;
         costSum = 0.0;
         daySum = 0.0;
         gallonsSum = 0.0;
         AnnualFuelUseV2[] fillups = {
             new AnnualFuelUseV2(1, 1, 45023, 45231, 10.00, 2.95),
             new AnnualFuelUseV2(2, 4, 45231, 45480, 11.70, 2.99),
             new AnnualFuelUseV2(3, 8, 45480, 45659, 9.30, 3.03),
             new AnnualFuelUseV2(4, 13, 45659, 45961, 14.90, 3.01)
             };
         //call methods
         for(int i = 0; i < fillups.length; i++)
         {
             fillups[i].calcDistance();
             fillups[i].calcMPG();
             fillups[i].calcCost();
         }
         //print the results
         for(int i = 0; i < fillups.length; i++)
         {
             System.out.printf("%3s %9s %11s %12s %10.0f %13.2f %8.1f %7.2f %6.2f \n", 
             fillups[i].getFill(), fillups[i].getDay(), 
             fillups[i].getStart(), fillups[i].getEnd(), 
             fillups[i].getDistance(), fillups[i].getGallons(),
             fillups[i].getMPG(), fillups[i].getPrice(),
             fillups[i].getCost());
         }
         //calculate totals for printing and calculating min and max
         for(int i = 0; i < fillups.length; i++)
         {
             disSum += fillups[i].getDistance();
             mpgSum += fillups[i].getMPG();
             priceSum += fillups[i].getPrice();
             costSum += fillups[i].getCost();
             daySum += fillups[i].getDay();
             gallonsSum += fillups[i].getGallons();
         }
         //calculate min and max
         absMax = Double.MIN_VALUE;
         absMin = Double.MAX_VALUE;
         mpgMax = absMax;
         mpgMin = absMin;
         disMax = absMax;
         disMin = absMin;
         priceMax = absMax;
         priceMin = absMin;
         for(int i = 0; i < fillups.length; i++)
         {
             if((fillups[i].getDistance()) > disMax)
             {
                 disMax = fillups[i].getDistance();
             }
             if((fillups[i].getDistance()) < disMin)
             {
                 disMin = fillups[i].getDistance();
             }
             if((fillups[i].getMPG()) > mpgMax)
             {
                 mpgMax = fillups[i].getMPG();
             }
             if((fillups[i].getMPG()) < mpgMin)
             {
                 mpgMin = fillups[i].getMPG();
             }
             if((fillups[i].getPrice()) > priceMax)
             {
                 priceMax = fillups[i].getPrice();
             }
             if((fillups[i].getPrice()) < priceMin)
             {
                 priceMin = fillups[i].getPrice();
             }
         }
         //print the max and min
         System.out.println();
         System.out.printf("%s %40.0f %22.1f %7.2f \n", "Minimum:", disMin, mpgMin, priceMin);
         System.out.printf("%s %40.0f %22.1f %7.2f \n", "Maximum:", disMax, mpgMax, priceMax);
         System.out.println();
         //print total
         System.out.printf("%s %41.0f %13.2f %23.2f \n", "Totals:", disSum, gallonsSum, costSum);
         //calculate annual projections
         double distanceProjection, gallonsusedProjection, mpgProjection, costProjection;
         double a = 31 / daySum;
         a *= 12;
         distanceProjection = a * disSum;
         gallonsusedProjection = a * gallonsSum;
         mpgProjection = a * mpgSum;
         costProjection = a * costSum;
         //print annual projection
         System.out.printf("%s %30.0f %13.2f %8.2f %14.2f \n", "Annual Projection:", distanceProjection, gallonsusedProjection, mpgProjection, costProjection);
     }
}