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  1. import java.util.Scanner;
  2.  
  3. public class AverageAndGrade
  4. {
  5.     public static void main(String[] args)
  6. 	{
  7. 		// declare local variables
  8. 		Scanner keyboard = new Scanner(System.in);
  9. 		double scoreOne;
  10. 		double scoreTwo;
  11. 		double scoreThree;
  12. 		double scoreFour;
  13. 		double scoreFive;
  14. 		// not used    char letter1,letter2,letter3,letter4,letter5;
  15. 		double average;
  16.  
  17. 		// get five numeric scores from the user
  18. 		System.out.println("Please enter the first score between 0 and 100: ");
  19. 		scoreOne = keyboard.nextDouble();
  20. 		System.out.println("Please enter the second score between 0 and 100: ");
  21. 		scoreTwo = keyboard.nextDouble(); 
  22. 		System.out.println("Please enter the third score between 0 and 100: ");
  23. 		scoreThree = keyboard.nextDouble();
  24. 		System.out.println("Please enter the forth score between 0 and 100: ");
  25. 		scoreFour = keyboard.nextDouble();
  26. 		System.out.println("Please enter the fifth score between 0 and 100: ");
  27. 		scoreFive = keyboard.nextDouble();
  28. 		keyboard.nextLine();
  29.  
  30. 		// print out the five letter grades
  31. 		System.out.println("The first letter grade is: " + determineGrade(scoreOne));
  32. 		System.out.println("The second letter grade is: " + determineGrade(scoreTwo));
  33. 		System.out.println("The third letter grade is: " + determineGrade(scoreThree));
  34. 		System.out.println("The fourth letter grade is: " + determineGrade(scoreFour));
  35. 		System.out.println("The fifth letter grade is: " + determineGrade(scoreFive));
  36.  
  37. 		// print out the average scores and the average letter grade
  38. 		System.out.println();
  39. 		average = calcAverage(scoreOne, scoreTwo, scoreThree, scoreFour, scoreFive);
  40. 		System.out.println("The average test score is: " + average);
  41. 		System.out.print("The average grade is: " + determineGrade(average)); // <<<< fix this line like this
  42. 	}
  43.  
  44. 	public static double calcAverage(double scoreOne, double scoreTwo, double scoreThree, double scoreFour, double scoreFive)
  45. 	{
  46. 		double average = ((scoreOne + scoreTwo + scoreThree + scoreFour + scoreFive) / 5);
  47. 		return average;
  48. 	}
  49.  
  50. 	public static char determineGrade(double average) // <<<< this method should return a char -- not a double
  51. 	{
  52. 		char grade;
  53.  
  54. 		if (average>=90)
  55. 		{
  56. 			grade = 'A';
  57. 		}
  58. 		else if (average>=80)
  59. 		{
  60. 			grade = 'B';
  61. 		}
  62. 		else if (average>=70)
  63. 		{
  64. 			grade = 'C';
  65. 		}
  66. 		else if (average>=60)
  67. 		{
  68. 			grade = 'D';
  69. 		}
  70. 		else // <<<< don't have another "if" here, whatever score is lower, we know that the letter grade is an 'F'
  71. 		{
  72. 			grade = 'F';
  73.  
  74. 		}
  75.  
  76. 		return grade; // <<<< return the letter grade here
  77.  
  78. 	}
  79.  
  80. }
  81.  
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https://ideone.com/hZH5co
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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