Thread: HELP! Confused at why I'm not getting output

I'm fairly new to the java language but I can't seem to get my code to work. It is supposed to read an input file with names and 10 quiz scores for each person, then do a bubble sort until we have the top 8 scores, then create an average of those scores and give it a letter grade. The final output for each person is supposed to look like this:

Name: blah - Grade: B

The input file looks like this

Bill Brasky
81
82
98
74
76
91
88
82
92
87
next name
and so on

Here's what my code looks like:

import java.io.*;
 
public class StudentGrades
{
	public static void main(String args[]) throws Exception
	{
		String LETTER;
		final int SIZE = 10;		// Number of quizzes
		double score[] = new double[SIZE];   // Array used to store 10 quiz scores.
		String stuName;			// Used to store name.
		int x;
		x = 0;
		final int LIMIT = SIZE;
		String stuScoreString;		// used to store what is read before changing to integer.
		int stuScore = 0; 
		int pairsToCompare;
		double gradeAvg;
		gradeAvg = 0;
		boolean switchOccurred;
		boolean done;
		double temp;
		double totalGrade;
		totalGrade = 0;
		int y;
		y = 0;
		System.out.println("Student Grade Report by Russ Penning");
 
		// Start the input read.
		FileReader fr = new FileReader("scores.dat");
		BufferedReader br = new BufferedReader(fr);
 
		// This is the work done in the fillArray() method
		while((stuName = br.readLine()) != null)  // Use to read only the first line of the array before change to integer.
		{
			x = 0;
			done = false;
			while(x < LIMIT)   
			{		
			// Place value in array.
			stuScoreString = br.readLine();
			// Convert String to integer.
			stuScore = Integer.parseInt(stuScoreString);		
			score[x] = stuScore;
			x++;    // Get ready for next input item.
 
			}  // End of input loop.
			stuScore = x - 2;
			pairsToCompare = stuScore - 1;
 
			// This is the work done in the sortArray() method
			switchOccurred = true; // set flag to true
 
			while(switchOccurred == true)
			{
			x = 0;
			switchOccurred = false;
				while(x < pairsToCompare)
				{
					if(score[x] > score[x + 1])
					{
					temp = score[x + 1];
					score[x+1] = score[x];
					score[x] = temp;
					switchOccurred = true;
				}
				x++;	
				}
				pairsToCompare--;
				}
				while(x < stuScore)
				{
			        totalGrade = (score[x+2] + totalGrade);
				x++;
				}
				gradeAvg = totalGrade / 8;
 
				// Call calculateGrades method here		
				LETTER = calculateGrades(gradeAvg);
		}	
		x = 0;
		while(x < y)
		{
		LETTER = "";
		System.out.println("Name: " + stuName + " -  Grade: " + LETTER);
		x++;
		}	
 
		br.close();
		System.exit(0);
 
	} // End of main() method.
 
	// Write calculateGrades method here.
	public static String calculateGrades(double gradeAvg)
	{
 
		String LETTER;
 
		if(gradeAvg >= 90)
			LETTER = "A";
		else if (gradeAvg >= 80)
			LETTER = "B";
		else if (gradeAvg >= 70)
			LETTER = "C";
		else if (gradeAvg >= 60)
			LETTER = "D";
		else
			LETTER = "F";
 
		return LETTER;
	}
 
} // End of StudentGrades class.

Please let me know if anyone can think of anything. I am confused about it.

Most of the code is taken from a previous program I worked on that worked perfectly fine. The only addition was calculating the average and creating a letter grade. There shouldn't be an issue with getting the correct output, but for some reason the only thing I'm getting on the report is the title.

I have got it to give some sort of output, but now all it does it print the first name 1 time, second name 2 times and so on.

Student Grade Report by Russ Penning

Name: Billy Bob - Grade:
Name: Ma Reynolds - Grade:
Name: Ma Reynolds - Grade:
Name: Pa Reynolds - Grade:
Name: Pa Reynolds - Grade:
Name: Pa Reynolds - Grade:
Name: Sue Anne - Grade:
Name: Sue Anne - Grade:
Name: Sue Anne - Grade:
Name: Sue Anne - Grade:
Name: Uncle Mortimer - Grade:
Name: Uncle Mortimer - Grade:
Name: Uncle Mortimer - Grade:
Name: Uncle Mortimer - Grade:
Name: Uncle Mortimer - Grade:

I'm still not getting anything back from the called method. Updated code:

import java.io.*;
 
public class StudentGrades
{
	public static void main(String args[]) throws Exception
	{
		String LETTER;
		final int SIZE = 10;		// Number of quizzes
		double score[] = new double[SIZE];   // Array used to store 10 quiz scores.
		String stuName;			// Used to store name.
		int x;
		x = 0;
		final int LIMIT = SIZE;
		String stuScoreString;		// used to store what is read before changing to integer.
		int stuScore = 0; 
		int pairsToCompare;
		boolean switchOccurred;
		boolean done;
		double temp;
		double totalGrade;
		totalGrade = 0;
		int y;
		y = 0;
		System.out.println("Student Grade Report by Russ Penning");
		System.out.println();
 
		// Start the input read.
		FileReader fr = new FileReader("scores.dat");
		BufferedReader br = new BufferedReader(fr);
 
		// This is the work done in the fillArray() method
		while((stuName = br.readLine()) != null)  // Use to read only the first line of the array before change to integer.
		{
				y++;
				x = 0;
				done = false;
				while(x < LIMIT)   
				{		
					// Place value in array.
					stuScoreString = br.readLine();
					// Convert String to integer.
					stuScore = Integer.parseInt(stuScoreString);		
					score[x] = stuScore;
					x++;    // Get ready for next input item.
 
				}  // End of input loop.
				stuScore = x - 2;
				pairsToCompare = stuScore - 1;
 
				// This is the work done in the sortArray() method
				switchOccurred = true; // set flag to true
 
				while(switchOccurred == true)
				{
					x = 0;
					switchOccurred = false;
						while(x < pairsToCompare)
						{
							if(score[x] > score[x + 1])
							{
								temp = score[x + 1];
								score[x+1] = score[x];
								score[x] = temp;
								switchOccurred = true;
							}
							x++;	
						}
						pairsToCompare--;
					}
 
				while(x < 8)
				{
					totalGrade = (score[x] + totalGrade);
					x++;
				}
 
		// Call calculateGrades method here		
		LETTER = calculateGrades(totalGrade);
 
		x = 0;
		while(x < y)
		{
			LETTER = "";
			System.out.println("Name: " + stuName + " - Grade: " + LETTER);
			x++;
		}	
		}
		br.close();
		System.exit(0);
 
	} // End of main() method.
 
	// Write calculateGrades method here.
	public static String calculateGrades(double totalGrade)
	{
 
		String letterGrade;		
		double gradeAvg;
		gradeAvg = (totalGrade/8);
 
 
		if(gradeAvg >= 90)
			letterGrade = "A";
		else if (gradeAvg >= 80)
			letterGrade = "B";
		else if (gradeAvg >= 70)
			letterGrade = "C";
		else if (gradeAvg >= 60)
			letterGrade = "D";
		else
			letterGrade = "F";
 
		return letterGrade;