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  1. import java.util.Scanner;
  2. import java.text.DecimalFormat;
  3.  
  4. public class TestGrades
  5. {
  6.  
  7. 	/**
  8. 	 * @param args
  9. 	 */
  10. 	public static void main(String[] args)
  11. 	{
  12. 		int[] testOne = new int[4];
  13. 		int[] testTwo = new int[4];
  14. 		double[] average = new double[4];
  15. 		char[] letterGrade = {'A', 'B', 'C', 'F'};
  16. 		Scanner scan = new Scanner(System.in);
  17.  
  18. 		DecimalFormat fmt = new DecimalFormat("000.0");
  19.  
  20.  
  21. 		System.out.println("For test 1,");
  22. 		for(int i = 0; i < testOne.length; i++)
  23. 		{
  24. 			System.out.print("Enter Score " + (i + 1) + ": ");
  25. 			testOne[i] = scan.nextInt();
  26. 		}
  27.  
  28. 		System.out.println("\nFor test 2,");
  29. 		for(int i = 0; i < testTwo.length; i++)
  30. 		{
  31. 			System.out.print("Enter Score " + (i + 1) + ": ");
  32. 			testTwo[i] = scan.nextInt();
  33. 		}
  34.  
  35. 		for(int i = 0; i < average.length; i++)
  36. 		{
  37. 			average[i] = ((double)testOne[i] + (double)testTwo[i])/2;
  38. 				if(average[i] >= 90)
  39. 				{
  40. 				letterGrade[i] = letterGrade[0];
  41. 				}
  42. 				else if(average[i] >= 80 && average[i] < 90)
  43. 				{
  44. 				letterGrade[i] = letterGrade[1];
  45. 				}
  46. 				else if(average[i] >= 70 && average[i] < 80)
  47. 				{
  48. 				letterGrade[i] = letterGrade[2];
  49. 				}
  50. 				else if(average[i] < 70)
  51. 				{
  52. 				letterGrade[i] = letterGrade[3];
  53. 				}
  54. 		}
  55. 		System.out.print("\nTest 1\t" + "Test 2\t" + "Average\t" + "Grade\n");
  56. 	for(int i=0; i < testOne.length; i++)
  57. 		{
  58. 			System.out.println(fmt.format(testOne[i]) + "\t" + fmt.format(testTwo[i]) + "\t" + average[i] + "\t" + letterGrade[i]);
  59. 		}
  60. 	}
  61. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.java:4: class TestGrades is public, should be declared in a file named TestGrades.java
public class TestGrades
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/mSwRt
language:
Java (HotSpot 12)
created:
13 years ago
visibility:
public

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