MultiArrayHelp

import java.io.*;
import java.io.IOException;
import javax.swing.*;
import java.util.*;
import java.io.File;
import java.io.FileNotFoundException;
import java.lang.IllegalStateException;
import java.util.NoSuchElementException;

public class JavaMultiArrays{
    public static void main (String[] args) throws Exception{
        //Define the arrays Name Rec and GPA
        char[][] Id= new char [5][20];
        String sname,ssn,sid, output1=" ";
        int [] [] [] Rec = new int [5][4][2];
        double [] Gpa = new double [5];
        int hsum, gpsum, Hs;


        //Setting up an external output file
        //Create an internal name for your file call it output the printwriter will be used to write on the file

        PrintWriter output;
        //Equate the internal name to an external file through the PrintWriter external name is MyOuput3.txt
        output=new PrintWriter(new File("MultiArrayOut.txt"));

        //Opening an External Input File

        try{
            Scanner input = new Scanner(new File("C:\\Users\\Carlos\\IdeaProjects\\GradesHelp\\src\\main\\java\\MultiArrayIn.Txt"));

            //Read in the student Name and SSN. Place them in a ID and store in the Char Array Name
            for(int Stu =0;Stu<=4;Stu++){
                //Read the name
                sname=input.next();
                //Now the SSN
                ssn=input.next();
                //Now form ID for the student name and SSN
                sid=sname+" "+ssn;
                Id[Stu]=sid.toCharArray();
                System.out.print(Id[Stu]);
                //Now read the remainder of the students records
                for(int Sem=0;Sem<=3;Sem++){
                    //For Each semester read and store the hours in Rec [Stu][sem][0] and Gpts in Rec[stu][sem][1]
                    Rec [Stu][Sem][0]=input.nextInt();
                    Rec [Stu][Sem][1]=input.nextInt();
                    output1=" "+Rec[Stu][Sem][0]+" "+Rec [Stu][Sem][1]+" ";
                    System.out.print(" "+Rec[Stu][Sem][0]+" "+Rec[Stu][Sem][1]+" " );
                }
                System.out.println();
            }
//Compute the GPA for each student an store in the Gpa [Stu]
            System.out.println("\n\n Student IDs and GPAs");
            for(int Stu=0;Stu<=4;Stu++){
                hsum=gpsum=0;
                //Sum the hours attempted and grade points for each semester across all semesters.
                for(int Sem=0;Sem<=3;Sem++){
                    hsum+=Rec[Stu][Sem][0];
                    gpsum+=Rec[Stu][Sem][1];
                }
                //Now calculate the GPA for this student
                Gpa[Stu]=(double)gpsum/hsum;
                //Round GPA to two decimal places
                Gpa[Stu]=(int)(Gpa[Stu]*100)/100.00;
                //Now output the student identifier and their GPA
                System.out.println(Stu);
                System.out.print(Id[Stu]);
                System.out.println("GPA is "+Gpa[Stu]);
            }
            //Find the highest GPA student
            Hs=FindHighStudent(Gpa,5);
            System.out.print("Student with Highest GPA is");
            System.out.print(Id[Hs]);
            System.out.print("GPA"+Gpa[Hs]);
        }
        catch (FileNotFoundException e){
            System.err.println("File Not Found");
            output.close();
            System.exit(11);
        }
    }
    public static int FindHighStudent(double []Gpa, int size){
        //This function looks at array GPA[] and returns the subscript of the highest GPA

        int HighS=0;
        double Hgpa=Gpa[0];
        for(int i=0; i<=size-1;i++){
            if(Gpa[i]>Hgpa){
                Hgpa=Gpa[i];
                HighS=i;
            }
        }
        return HighS;



    }
}