/* Example of Parallel Arrays */
class ArrayMidsems
{
    public static void main (String arg[])
    {
      int[] rollNum= {6016, 6024, 6078};
      double[] midsemMarks = {61.7,  54 , 74.2 };
      String[] name = {"Abhishek A", "Abhishek S", "Ankit"};
      int maxIndex = findMaxIndex(midsemMarks);
      System.out.println ("Highest marks, by "+name[maxIndex]+ " (Y"+rollNum[maxIndex]+") = "+midsemMarks[maxIndex]); 
    }  

    /** finds the index of the person with maximum marks */
    public static int findMaxIndex (double numbers[])
    { 
	double max = numbers[0];
	int index = 0;
	for (int i=1; i<numbers.length; i++) 
        {   
	    if (numbers[i] > max)
	    {
		max = numbers[i];
		index = i;
	    }
	}
	return index;
    }

    public static void printArray (String[] arr, int length)
    {     for(int j=0;j<length;j++)
         System.out.println("Element "+j+"= "+arr[j]);
    }

    //import java.util.Arrays;
    //      System.out.println (Arrays.toString(midsemMarks));

    public static double findMax (double numbers[])
    { double max = numbers[0];
      for (int i=1; i<numbers.length; i++) 
          {   if (numbers[i] > max) 
                  max = numbers[i];
          }
      return max;
   }

    public static double findAverage (double[] arr)
    {
	double sum = 0;
	for (int i = 0; i<arr.length; i++)
        {   sum += arr[i];
	}
	return (sum / arr.length) ;
    }

    /* gets the marks of i-th student */
    public static double getMarks (double[] marks, int i)
    {   if (i > marks.length-1) 
	{ System.out.println ("Array index out of bounds");
	  return -999;
        }
        return marks[i];
    }

    /* returns the marks for student with target rollNum */
    public static double getMarks (int[] num, double[] marks, int target)
    {   if (num.length != marks.length)
	{ System.out.println ("Array lengths don't match!");
	  return -999;
        }
        for (int j=0; j< num.length; j++)
	    { if (num[j] == target) return marks[j]; }
	return -999;
    }
}// end class ArrayMidsems