Notes

package gradebook;
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;

public class Gradebook
{

public static void main(String[] args) throws FileNotFoundException
{
String inputFileName = "gradebook.txt";
File inputFile = new File(inputFileName);
Scanner input = new Scanner(new File("src/gradebook/gradebook-1.txt"));
String name = input.nextLine();
while (!name.equals("end"))
{
//HOMEWORK
input.nextLine(); //HW
String hwassignments = input.nextLine();
int hw = Integer.parseInt(hwassignments);
double sum = 0;
double tsum = 0;
for (int i = 0; i < hw; i++)
{
double score = Double.parseDouble(input.nextLine());
sum = sum + score;
}
for (int i = 0; i < hw; i++)
{
double tscore = Double.parseDouble(input.nextLine());
tsum = tsum + tscore;
}
double hwavg = (sum/tsum);
double fhwavg = hwavg * 100;

//MIDTERM
input.nextLine();
double mscore = Double.parseDouble(input.nextLine());
double tmscore = Double.parseDouble(input.nextLine());
double mavg = (mscore/tmscore);
double mavg2 = mavg * 100 * 100;
double mfavg = Math.round(mavg2);
double mfavg2 = mfavg/100;

//FINAL EXAM
input.nextLine();
double fscore = Double.parseDouble(input.nextLine());
double tfscore = Double.parseDouble(input.nextLine());
double tavg = (fscore/tfscore);
double tfavg = tavg * 100;

//Overall
String x = "";
double finalscore = (.5 * fhwavg) + (.2 * mfavg2) + (.3 * tfavg);
double finalscore2 = finalscore * 100;
double finalscore3 = Math.round(finalscore2);
double tfinalscore = finalscore3 / 100;
if (tfinalscore >= 90.00)
{
x = "A";
}
if (tfinalscore >= 80.00 && tfinalscore <= 90.00)
{
x = "B";
}
if (tfinalscore >= 70.00 && tfinalscore <= 80.00)
{
x = "C";
}
if (tfinalscore >= 60.00 && tfinalscore <= 70.00)
{
x = "D";
}
if (tfinalscore < 60.00)
{
x = "F";
}
System.out.println(name);
System.out.println("Overall = " + tfinalscore + " %, " + x);
System.out.println("Homework = " + fhwavg + " %");
System.out.println("Midterm = " + mfavg2 + " %");
System.out.println("Final Exam = " + tfavg + " %");
System.out.println();

name = input.nextLine();
}
}
}