// Introduction to Software Testing
// Authors: Paul Ammann & Jeff Offutt
// Chapter 8; page ??
// Can be run from command line
// No JUnit tests at this time.

public class TwoPred
{
   
   public static String twoPred (int x, int y)
   {  
      boolean z;
      
      if (x < y)
         z = true;
      else
         z = false;
   
      if (z && x+y == 10)
         return "A";
      else
         return "B";
   }
   
   public static void main (String []argv)
   {  // Driver method for twoPred
      // Read two integers from standard input, call twoPred()
      int []inArr = new int [argv.length];
      if (argv.length != 2)
      {
         System.out.println ("Usage: java TwoPred v1 v2");
         return;
      }
   
      for (int i = 0; i< argv.length; i++)
      {
         try
         {
            inArr [i] = Integer.parseInt (argv[i]);//
         }
         catch (NumberFormatException e)
         {
            System.out.println ("Entry must be an integer, using 1.");
            inArr [i] = 1;
         }
      }
   
      System.out.println("The result is: " + twoPred (inArr[0], inArr[1]));
   }
}