1. No change in the Student class

2. Change in the StudentList class to read the data from a file named StudentGrades.txt which contains the following data (instead of hard-coding the data)

Edna

57 74 73 85 86 65 99

Edmund

75 61 94 53 68 76 73

Sadie

49 69 67 80 99 78 70

Olive

88 87 42 62 44 81 46

Dianna

76 100 98 60 72 94 99

Roderick

81 70 29 53 72 1 18

Cameron

84 1 5 21 10 27 93

Rafael

96 4 97 67 37 44 34

Isaac

68 57 45 40 25 83 63

Darla

76 6 1 17 35 12 38

Renee

59 34 22 54 50 80 28

Neil

40 100 49 93 42 86 9

Carmen

9 72 35 85 17 22 34

Cecelia

3 96 24 10 96 31 91

Kerry

4 49 53 31 31 87 90

public class Student { private String name; private int[] testScores; private double average; private String letterGrade; //-------------------------------------------------- public Student(String name, int[] testScores) { this.name = name; this.testScores = testScores; Grader g = new Grader(); average = g.getAverageGrade(testScores); letterGrade = g.grade(testScores); } //-------------------------------------------------- public String getScoreString() { return java.util.Arrays.toString(testScores); } //-------------------------------------------------- public String getName() { return name; } //-------------------------------------------------- public int[] getTestScores() { return testScores; } //-------------------------------------------------- public double getAverage() { return average; } //-------------------------------------------------- public String getLetterGrade() { return letterGrade; } } //======================================================================== public class StudentList { //-------------------------------------------------- private Student[] studentList; private String[] names = {"Edna", "Edmund", "Sadie", "Olive", "Dianna" }; private int[][] testScores = { {57, 74, 73, 85, 86, 65, 99 }, {75, 61, 94, 53, 68, 76, 73 }, {49, 69, 67, 80, 99, 78, 70 }, {88, 87, 42, 62, 44, 81, 46 }, {76, 100, 98, 60, 72, 94, 99 }}; //-------------------------------------------------- public StudentList() { studentList = new Student[names.length]; for (int k = 0; k < names.length; k++) { studentList[k] = new Student(names[k], testScores[k]); } } //-------------------------------------------------- public Student findStudent(String name) { for (int k = 0; k < studentList.length; k++) { if (name.equals(studentList[k].getName())) return studentList[k]; } return null; } }