autograder/Student.java at master · benchun/autograder · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
public class Student
{
	private String name;
	private double grades[] = new double[6];

	public String getName()
	{
		return name;
	}

	public void setName(String n)
	{
		if (n.length() > 1)
		{
			name = n;
		}
	}

	public void setGrades(double g0, double g1, double g2, double g3, double g4, double g5)
	{
		grades[0] = g0;
		grades[1] = g1;
		grades[2] = g2;
		grades[3] = g3;
		grades[4] = g4;
		grades[5] = g5;
	}

	void setGrades( String g0, String g1, String g2, String g3, String g4, String g5 )
	{
		grades[0] = convertLetterGradeToNumber( g0 );
		grades[1] = convertLetterGradeToNumber( g1 );
		grades[2] = convertLetterGradeToNumber( g2 );
		grades[3] = convertLetterGradeToNumber( g3 );
		grades[4] = convertLetterGradeToNumber( g4 );
		grades[5] = convertLetterGradeToNumber( g5 );
	}

	public double getGPA()
	{
		double sum = 0;
		for (double g : grades)
		{
			sum += g;
		}
		return sum / grades.length;
	}

	public double getCollegeGPA()
	{
		double sum = 0;
		for (double g : grades)
		{
			sum += convertGradeToCollegeGrade(g);
		}
		return sum / grades.length;
	}

	public int convertGradeToCollegeGrade( double g )
	{
		int grade = 0;
		if (g >= 0.7) grade = 1;
		if (g >= 1.7) grade = 2;
		if (g >= 2.7) grade = 3;
		if (g >= 3.7) grade = 4;
		return grade;
	}

	public void printStudentRecord()
	{
		System.out.println( "Name: " + name );
		System.out.println( "GPA: " + getGPA() );
		System.out.println( "College GPA: " + getCollegeGPA() );
	}


	double convertLetterGradeToNumber( String x )
	{
		double answer = 0.0;
		String letter = x.substring(0,1);

		if      ( letter.equals("A") ) answer = 4.0;
		else if ( letter.equals("B") ) answer = 3.0;
		else if ( letter.equals("C") ) answer = 2.0;
		else if ( letter.equals("D") ) answer = 1.0;
		else answer = 0.0;

		if (x.length() == 2)
		{
			String modifier = x.substring(1,2);
			if (modifier.equals("+"))
			{
				answer += 0.3;
			}
			else if (modifier.equals("-"))
			{
				answer -= 0.3;
			}
		}
		return answer;
	}

}