public class Example2
{
    public static void main(String[] args)
    {
       double           avg,cs139points, cs239points;       
    //   LetterGrade      cs139, cs239;
       String           grade;  
		 LetterGrade [] myletterGrade;
		 
		 myletterGrade = new LetterGrade[2];	    
				 
      myletterGrade[0] =  LetterGrade.BPLUS;
	//	 cs139 = LetterGrade.BPLUS;
	    myletterGrade[1] = LetterGrade.B;
  //   cs239 = LetterGrade.B;    
		 
		 grade = myletterGrade[0].toString();
		  //grade = cs139.toString();
		 System.out.println ("Grade in CS139: " + grade);
		 grade = myletterGrade[1].toString();
		 //grade = cs239.toString();
		 System.out.println ("Grade in CS239: " + grade);
		 
		 cs139points = myletterGrade[0].pointsGrade(myletterGrade[0]);
//		 cs139points = cs139.pointsGrade(cs139);
		 cs239points = myletterGrade[1].pointsGrade(myletterGrade[1]);
//		 cs239points = cs239.pointsGrade(cs239);
		 avg = (cs139points + cs239points) / 2.0;
		 System.out.println ("Average for CS139 and CS239: " + avg);
		 
    }
}