Hi - Requesting help here on a tough assignment. The ask is to create a java pro

Question

Hi - Requesting help here on a tough assignment. The ask is to create a java program that will take two arguments: the first is the input file name, the second is the output file name. The input file will have a list of written grades and student names (See attached) and the idea is to compute a weighted average of the score and assign a letter grade for each student in alphabetical order. Simultaneously the program should output the average scores of all the students, the maximum and the minimum for each assignment in a console. Here's the output in the output file:

Anne Latner: B

Ariana B. Smith: A

Bill Gates: F

Emily Gonzales: B

Escobar Morris: C

Jennifer L: B

Maria Jones: D

Thui Bhu: A

and the console output would be the following:

C:>java TestLetterGrader input_data.txt output_data.txt

Letter grade has been calculated for students listed in input file input_data.txt and written to output file output_data.txt

Here is the class averages:

Q1 Q2 Q3 Q4 MidI MidII Final

Average: 82.25 80.38 82.25 83.88 81.38 84.13 78.63

Minimum: 60 54 38 62 62 60 50

Maximum: 100 90 100 100 99 100 95

Press ENTER to continue . . .

I do know how to ask for two inputs from the user via eclipse (IDE) or command line and output strings into the output file and also use a series of system.out.print commands to print to the screen. Figuring out how to calculate the weighted average of the numbers and also assigning the grade is not a problem.

What I don't know are the following:

1 - How to alphabetically rearrange the student's names to display the grade instead of the order in which they are read from the input file.

2 - How to retrieve and show the min and max value for each assignment in the group? i.e. In Q1 column the min is 60 and the max is 100

Below is the image of the input file. Help with some code samples on the two above scenarios if possible will be greatly appreciated. Thanks!

Explanation / Answer

import java.util.*; import java.io.*; import java.text.*; public class StudentGradebookScores { public static void main(String[]args) throws IOException { File inputFile = new File("scores.txt"); Scanner data = new Scanner(inputFile); DecimalFormat averages = new DecimalFormat("#.#"); int students = data.nextInt(); int assignments = data.nextInt(); double gradebook[][] = new double [students + 1][assignments + 1]; //putting the scores into the array for (int i=0; i

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