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  1. import java.util.Scanner;
  2. public class asg06 
  3. {
  4.  
  5.     public static void main(String[] args) 
  6. 	{
  7. 		Scanner stdin = new Scanner(System.in);
  8. 		//declarations
  9. 		int numberOfStudents;
  10. 		double scoreAverage;
  11. 		double maxScore = 0;
  12. 		double scoreCheck;
  13. 		int end = 0;
  14. 		double choice;
  15. 		double sum = 0;
  16. 		double chosenStudent;
  17. 		//how many students are there
  18. 		System.out.println("How many students were in the class?");
  19. 		numberOfStudents = stdin.nextInt();
  20. 		//gather info into arrays
  21. 		double iD[] = new double[numberOfStudents];
  22. 		String firstName[] = new String[numberOfStudents];
  23. 		String lastName[] = new String[numberOfStudents];
  24. 		double scores[] = new double[numberOfStudents];
  25. 		for (int i = 0; i < iD.length; i++)
  26. 		{
  27. 			while (iD[i] <= i)
  28. 			{
  29. 				System.out.println("Please enter the students ID");
  30. 				iD[i] = stdin.nextInt();
  31. 				System.out.println("What is the students first name?");
  32. 				firstName[i] = stdin.next();
  33. 				System.out.println("What is the students last name?");
  34. 				lastName[i] = stdin.next();
  35. 				boolean valid = false;
  36. 				while (valid == false)
  37. 				{
  38. 				System.out.println("What is the students score?");
  39. 				scoreCheck = stdin.nextDouble();
  40. 				if(scoreCheck < 0)
  41. 					System.out.println("Score must be at least 0");
  42. 				else if (scoreCheck > 100)
  43. 					System.out.println("Score cannot be greater than 100");
  44. 				else
  45. 					scores[i] = scoreCheck;
  46. 					sum += scoreCheck;
  47. 					valid = true;
  48. 				}
  49. 			}
  50. 		}
  51. 		scoreAverage = sum / numberOfStudents;
  52. 		maxScore = max(scores);
  53. 		System.out.println("Thank you. The highest score is " + maxScore + " and the average score was " + scoreAverage + ".");
  54. 		//searching students
  55. 		System.out.println("You may now exit the program by entering 0 or search for a student by ID number");
  56. 		while(end == 0)
  57. 		{
  58. 			System.out.println("What would you like to do?");
  59. 			choice = stdin.nextDouble();
  60. 			if (choice == 0)
  61. 			{
  62. 				end = 1;
  63. 			}
  64. 			else
  65. 			{
  66. 				//this part is pretty broken. I know how its supposed to work (kind of) but i'm having trouble pulling the correct info from my methods
  67. 				int i = 0;
  68. 				i = search(iD, choice);
  69. 				chosenStudent = i;
  70. 				if (chosenStudent == -1)
  71. 				{
  72. 					System.out.println("This student was not found, please re-enter the student id or enter 0 to quit");
  73. 				}
  74. 				else
  75. 				{
  76. 					if (scores[i] == maxScore)
  77. 					{
  78. 					System.out.println("Student number " + iD[i] + ", " + firstName[i] + " " + lastName[i] + ", received a score of " + scores[i] + "which is the maximum score!");
  79. 					}
  80. 					else if (scores[i] == scoreAverage)
  81. 					{
  82. 					System.out.println("Student number " + iD[i] + ", " + firstName[i] + " " + lastName[i] + ", received a score of " + scores[i] + "which is the average.");
  83. 					}
  84. 				    else if (scores[i] < scoreAverage)
  85. 					{
  86. 					System.out.println("Student number " + iD[i] + ", " + firstName[i] + " " + lastName[i] + ", received a score of " + scores[i] + "which is " + (scoreAverage - scores[i]) + "less than the average.");
  87. 					}
  88. 					else if (scores[i] > scoreAverage)
  89. 					{
  90. 					System.out.println("Student number " + iD[i] + ", " + firstName[i] + " " + lastName[i] + ", received a score of " + scores[i] + "which is " + (scores[i] - scoreAverage)  + "more than the average.");
  91. 					}
  92.  
  93. 			}
  94. 		}
  95. 		}
  96. 		  stdin.close();
  97. 	}
  98. 		//Max Score Method
  99. public static double max(double scores[])
  100. 	{
  101. 	double maxScore = 0;
  102. 	for (int i = 1; i < scores.length; i++)
  103. 		{
  104. 	     if (scores[i] > maxScore)
  105. 	     	{
  106. 	    	 maxScore = scores[i];
  107. 	     	}
  108.  
  109.  
  110. 		}
  111. return maxScore;
  112. 	}
  113.  
  114. public static int search(double iD[], double choice)
  115. {
  116.        for (int i = 0; i < iD.length; i++)
  117.       {
  118.            if ( iD[i] == choice )
  119.                  return i;
  120.       }
  121.      return -1;
  122. }
  123. }
  124.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
Main.java:2: class asg06 is public, should be declared in a file named asg06.java
public class asg06 
       ^
1 error
stdout
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Standard output is empty
https://ideone.com/nNOTi7
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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