StudentGradeReport.java

import java.util.Scanner;
// Fabian Diaz  getStudentNames()
// Brian Tec    getStudentID()
// Devashis Sutradhar   getstudentTestScores()
// Christopher Ohakamnu     assignLetterGrade ()
// Jonathan Rodriguez (group leader)    displayStudentGradeReport()
// Nicholas Jofre Cole      calculateAverageGrade()

class StudentGradeReport 
{
	public static void main(String[] args) 
	{
		Scanner input = new Scanner(System.in);
      int studentAmount;
      System.out.print("Enter the number of students: ");
      studentAmount = input.nextInt();
      String[] studentNames = new String[studentAmount];
      int[] studentID = new int[studentAmount];
      int[] score1 = new int[studentAmount];
      int[] score2 = new int[studentAmount];
      int[] score3 = new int[studentAmount];
      int[] score4 = new int[studentAmount];
      int[] score5 = new int[studentAmount];
      double[] avg = new double[studentAmount];
      char[] grade = new char[studentAmount];
      
      
      for (int i = 0; i < studentAmount; i++)
      {
          getStudentsNames(i, studentNames);
          getStudentID(i, studentID);
          getstudentTestScores(i, score1);
          getstudentTestScores(i, score2);
          getstudentTestScores(i, score3);
          getstudentTestScores(i, score4);
          getstudentTestScores(i, score5);
          avg[i] = calculateAverageGrade(i, score1, score2, score3,
          score4, score5);
          grade[i] = assignLetterGrade(avg[i]);
          displayStudentGradeReport(i, studentNames, studentID, score1, score2,
          		score3, score4, score5, avg, grade);
      }
  }
  public static void getStudentsNames(int i, String name[])
  {
      Scanner input = new Scanner(System.in);
      System.out.print("Enter the student name: ");
      name[i] = input.next();
  } 
  public static void getStudentID(int i, int idArray[])
  {
      idArray[i] = 10000000 + (int)(Math.random() * 9999999);
  } 
  public static void getstudentTestScores(int i,int score1[])
  {
  	score1[i] = (int) (50 + (Math.random()*51));
  } 
  public static double calculateAverageGrade(int i, int grade1[], int grade2[],
  		int grade3[], int grade4[], int grade5[])
  {
      double avg;
      avg = (grade1[i] + grade2[i] + grade3[i] + grade4[i] + grade5[i]) / 5;
      return avg;
  } 
  public static char assignLetterGrade(double avgGrade)
  {
  	char grade;
      if (avgGrade >= 90)
      	grade = 'A';
      else if (avgGrade >= 80)
      	grade = 'B';
      else if (avgGrade >= 70)
      	grade = 'C';
      else if (avgGrade >= 60)
      	grade = 'D';
      else
      	grade = 'F';
      return grade;
  }
  public static void displayStudentGradeReport(int i, String name[], int studentID[], int score1[], int score2[],
  		int score3[], int score4[], int score5[], double avg[], char grade[])
  {
      System.out.printf("%12s %12s %12s %12s %12s %12s %12s %12s %12s\n","Student name", "Student ID", "Test 1", "Test 2", "Test 3", "Test 4", "Test 5", "Average", "Grade");
      System.out.printf("%12s %12d %12d %12d %12d %12d %12d %12.2f %12c\n", name[i], studentID[i], score1[i], score2[i], score3[i], score4[i], score5[i], avg[i], grade[i]);
  }
}