Java Program calculating student average, class average, and letter grade using array

[aphip13]

im struggling with the man/driver class

heres what i have for code

package GradebookProg3;

import java.io.FileNotFoundException;
import java.io.FileReader;
import java.util.Scanner;

public class mainGradeBook {

public static void main(String[] args) throws FileNotFoundException
{
GradeBook [] gradeBook = new GradeBook [10];

String fName, lName;
double[] testScores = new double[5];

double classAverage = 0.0;

Scanner inFile = new Scanner(new FileReader("testScores.txt"));


//STRUGGLING HERE..HOW SHOULD I WRITE THIS?

for (int i = 0; i < 10; i++)
fName = inFile.next();
lName = inFile.next();


gradeBook [a,b,c ] = new GradeBook();



System.out.println("First_Name Last_Name Test1 Test2 "
+ "Test3 Test4 Test5 Average Grade");

for (int i = 0; i < 10; i++)
{
System.out.println(gradeBook[i]);

classAverage = classAverage + gradeBook[i].getAverage();
}

classAverage = classAverage / 10;

System.out.println();

System.out.printf("Class average = %.2f%n", classAverage);
}//end main



}

[chaarmann]

First: don't use arrays, use ArrayList instead. They are more flexible and you don't need to resize or handle error conditions like ArrayIndexOutOfBounds etc.

Using a for-loop for the data entry is bad.
Maybe the user wants to enter only 3 records instead 10.
You have to give the user the possibility to quit after every record entered.

So use while-loop:

while(true)
{
  enterRecord(inFile); // you have to write that
  System.out.println("Do you want to enter more records (Y) or quit (N)?");
  String answer = inFile.next();
  if (answer.toUpperCase.equals("N")) break; 
}