public class ArrayDemo1 
{
   public static void main(String[] args)
   {
      int[] scores = new int[5];  // declaring & instantiating an 
                                  //   array of student exam scores
      int sum = 0;                // sum of exam scores
      double average = 0.0;       // average of exam scores
	
      scores[0] = 99;             // assignment statements
      scores[1] = 53;
      scores[2] = 77;
      scores[3] = 101;
      scores[4] = 81;
		
      System.out.println("The length of the array is " + scores.length);
      // be careful to type length instead of length() with arrays
      // length is a public property for arrays 
      // (rather than a method like it is in the String class)
		
      // ****************************************************
      // display test scores
      for (int i = 0; i < scores.length; i++) // do not hardwire with   i < 5
      {
         System.out.print(scores[i] + " ");
      }
		
      // *****************************************************
		
      // finding total of test scores
      for (int i = 0; i < scores.length; i++)
      {
         sum += scores[i];
      }
		
      // computing average test score
      average = (double) sum/scores.length; 
      // must cast to a double to avoid truncation due to integer division
		
      System.out.println("\nThe exam average is " + average);
		
      // *******************************************************
		
      // adding a curve to all grades below an A
      for (int i = 0; i < scores.length; i++)
      {	
			
         if (scores[i] < 90)
         {
            scores[i] += 5;
         }
			
      }		
		
      // ******************************************************
      // finding the max exam score
      int max = scores[0];               // maximum exam score
		
      for (int i = 1; i < scores.length; i++)
      {
			
         if (scores[i] > max)
         {
            max = scores[i];  
         }
			
      }
		
      // Note that max is initialized to scores[0] rather than the value 0
      // Note also that the for loop begins with i = 1 instead of i = 0
		
      System.out.println("The max student test score " + max);
		
      // *******************************************************
      // finding an F
      boolean found = false;      // flag variable to find failing exam score
      int position = -1;          // array position of 1st failing exam score

      for (int i = 0; i < scores.length; i++)
      {
			
         if (scores[i] < 60)
         {
            found = true;
            position = i;
            break;
         }
		   
      }

      if (found)    // unnecessary to type out    if (found == true)
      {
         System.out.println("The first failing exam score was found " +
            "in position " + position);
      }
      else
      {
            System.out.println("No failing exam scores were found.");
      }
		
      // *******************************************************
      // initializing a parallel array with student names
      String[] names = {"Alice", "Bob", "Chris", "Dave", "Emma"};
		
      if (position > -1)
      {
         System.out.println(names[position] + " failed the exam with a " + 
            " score of " + scores[position]);
      }
		
   }
	
}