UPDATEteststudentrecord

import java.util.Scanner;
import java.io.*;
public class TestStudentRecord {

    public static void main(String[] args) throws IOException {

        File myFile = new File("records.txt");
        Scanner input = new Scanner(myFile);
        Scanner user_input = new Scanner(System.in);

        StudentRecord[] records = new StudentRecord[20];
        for (int i = 0; i < records.length; i++)
        {
            records[i] = new StudentRecord(String.valueOf(input.nextInt()), input.nextInt(), input.nextDouble(), input.nextDouble(), input.nextDouble(), input.nextDouble());
        }
        input.close();
        int num;
        do
        {
            System.out.println(printMenu());
            num = user_input.nextInt();
        } while (num < 1 || num > 5);
        user_input.nextLine();
        switch (num)
        {
            case 1:
                for (StudentRecord student: records)
                {
                    System.out.println(student.getStudentID());
                }
                break;
            case 2:
                for (StudentRecord student: records)
                {
                    System.out.println(student.getLetterGrade());
                }
                break;
            case 3:
                for (StudentRecord student: records)
                {
                    System.out.println((int)(student.getNumericGrade()*100) + "%");
                }
                break;
            case 4:
                System.out.println("Enter a student ID: ");
                String user_id = user_input.nextLine();
                for (int i = 0; i < records.length; i++)
                {
                    if (user_id.equals(records[i].getStudentID()))
                    {
                        System.out.println(records[i].toString());
                    }
                }
                break;
            default:
                System.out.println("Goodbye");
                System.exit(0);
        }




    }


    public static String printMenu()
    {
        return "1 - Display all Ids\n"
                + "2 - Display letter grade for all students\n"
                + "3 - Display numeric average for all students\n"
                + "4 - Search and display 1 student record\n"
                + "5 - Exit";
    }


}