package project02;
import java.util.ArrayList;
import java.util.Arrays; // required for auto grading
/**
* midterm, homework, final grades are over 100.
*
* row 0: column titles row 1: weights row 2: full grades for testing row 3-:
* actual students
*
* String studentDataCsv = "studentID,name,lastName,midterm,homework,lab\n"// +
* "-1,-weight,percent,40,10,50\n"// percentages where studentID=-1 +
* "-2,-full,point,100,100,100\n"// test for full points where studentID=-1 +
* "1001,Aaa,Aaaa,50,50,50\n"// first student + "1002,Bbb,Bbbb,10,10,10"//
* second student ;
*/
public class ProcessGradingData {
public static final String MY_ID = "20221319027";
public static final String MY_NAME = "Deniz";
public static final String MY_LASTNAME = "Soysal";
public static final int WEIGHT = -1;
public static final int FULL = -2;
//
public static final int S_ID = 0;
public static final int S_NAME = 1;
public static final int S_LAST_NAME = 2;
public static final int MIDTERM = 3;
public static final int HOMEWORK = 4;
public static final int FINAL = 5;
//
public static double[] weight = new double[3];
/**
* Student info
*
* @return
*/
public static String getStudentInfo() {
return MY_ID + "," + MY_LASTNAME + "," + MY_NAME;
}
/**
* Given two `Student`s, return `true` if the students are equal in content.
*
* @param stdA
* @param stdB
* @return `true` if the students are equal in content.
*/
public static boolean equals(Student stdA, Student stdB) {
if (stdA.getStudentID() != stdB.getStudentID()) {
return false;
}
if (!stdA.getName().equals(stdB.getName())) {
return false;
}
if (stdA.getLab() != stdB.getLab()) {
return false;
}
if (!stdA.getLastName().equals(stdB.getLastName())) {
return false;
}
if (stdA.getHomework() != stdB.getHomework()) {
return false;
}
if (stdA.getMidterm() != stdB.getMidterm()) {
return false;
}
return true;
}
/**
* Given `weight` array and `Student`, calculate the weighted grade
*
* @param weight
* @param student
* @return weighted grade
*/
public static double getWeightedGrade(double[] weight, Student student) {
double grade = 0;
grade += weight[0] * student.getMidterm();
grade += weight[1] * student.getHomework();
grade += weight[2] * student.getLab();
return grade;
}
/**
* Convert student data in csv format into arrStudent
and populate
* `weight` array.
*
* @param csv student data
* @return array of Students
*/
public static Student[] getStudentData(String csv) {
String[] lines=csv.split("\n");
Student[] arrStudent = new Student[lines.length - 3] ;
for (int i = 3; i < lines.length; i++) {
String[] fields = lines[i].split(",");
int Id = Integer.parseInt(fields[0]);
String name = fields[1];
String lastName = fields[2];
int midterm = Integer.parseInt(fields[3]);
int homework = Integer.parseInt(fields[4]);
int lab = Integer.parseInt(fields[5]);
Student student = new Student(Id,name,lastName,midterm,homework,lab);
arrStudent[i-3] = student;
}
String[] fields = lines[1].split(",");
weight[0] = Double.parseDouble(fields[3]);
weight[1] = Double.parseDouble(fields[4]);
weight[2] = Double.parseDouble(fields[5]);
return arrStudent;
}
/**
* Produce report of student number and weighted grade
*
* @param arrStudent
* @return
*/
public static String[] getReport(Student[] arrStudent) {
String[] arrGradesOverAll = new String [arrStudent.length];
for (int i = 0; i