/*==================================================================================
* FSP 2012 Assignment
* Student ID : S10122534C
* Student Name : Leonard Laura Rachel M
* Module Group : FI05
*
* ==================================================================================*/
import java.util.Scanner;
public class S10122534c_Assignment
{
public static void main(String[] args)
{
final int MAXSIZE = 50; // maximum number of students
String[] name = new String[MAXSIZE]; // array to store the names of the students
double[] caMark = new double[MAXSIZE]; // array to store the Continuous Assessment marks
double[] ctMark = new double[MAXSIZE]; // array to store the Common Test marks
double[] asgMark = new double[MAXSIZE]; // array to store the Assignment marks
double[] finalMark = new double [MAXSIZE]; // array to store the Final marks
int count = 0;
Scanner input = new Scanner(System.in);
// initialize the array with students
count = initialization(name,double[] caMark,double[] ctMark,double[] asgMark);
int choice;
finalMark = calculateFinalMark(count,caMark, ctMark, asgMark);
do
{
choice = input.nextInt();
switch (choice)
{ case 1: displayStudentResults(name, caMark, ctMark, asgMark, finalMark, count);break;
case 2: diplayFailedStudents(name, caMark, ctMark, asgMark, finalMark, count);break;
case 3: addNewStudent(count);break;
case 4: updateMark(asgMark, count);break;
case 5: exit();break;
default:System.out.print("Thank you.");
}
}while (choice != 0);
}
// method to initialize the arrays with students
public static int initialization(String[] name, double[] caMark, double[] ctMark, double[] asgMark, double[] finalMark)
{
namer [0] = "Agnes Tan";
caMark [0] = 75;
ctMark [0] = 68;
asgMark [0] = 82;
name [1] = "Benny Ong";
caMark [1] = 66;
ctMark [1] = 30;
asgMark [1] = 35;
name [2] = "Denise Ng";
caMark[2] = 55;
ctMark [2] = 42;
asgMark [2] = 50;
name [3] = "Jimmy Tay";
caMark [3] = 80;
ctMark [3] = 76;
asgMark[3] = 82;
name [4] = "Evelyn Low";
caMark [4] = 70;
ctMark [4] = 60;
asgMark [4] = 65;
return 5;
}
public static void displayMenu()
{
String[] nameArr; double[] caMarkArr; double[] ctMarkArr; double[] asgMarkArr; double[] finalMarkArr;
{
System.out.println ("MENU");
System.out.println ("========================================");
System.out.println (" [1]. Display the results of all students");
System.out.println (" [2]. Display the students who have failed");
System.out.println (" [3]. Add a new student");
System.out.println (" [4]. Update assignment mark of a student");
System.out.println (" [0]. Exit");
System.out.println ("Enter your option: _____ ");
System.out.println ("=========================================");
}
}
public static void displayStudentResults(String[] nameArr, double[] caMarkArr, double[] ctMarkArr, double[] asgMarkArr, double[] finalMarkArr)
{ int [] numArr = new int[50];
System.out.println("Student Name" + "CA" + "CT" + "ASG" + "FINAL" + "GRADE");
for (int i=0; i<numArr.length; i++)
{ System.out.println(nameArr[i] + caMarkArr[i] + ctMarkArr[i] + asgMarkArr[i] + finalMarkArr[i]);
numArr[i]=i+1;
}
}
//Calculate Final marks to compute whether the student has passed & to know the grades
public static double calculateFinalMark(int count, double[] caMark, double[] ctMark, double[] asgMark) {
int a = count;
finalMark = (0.4 * caMark[a]) + (0.3 * ctMark[a]) + (0.3 * asgMark[a]);
System.out.print(finalMark);
count++;
return finalMark;
}
public static void displayFailedStudents (String[] name, double[] caMark, double[] ctMark, double[] asgMark, double[] finalMark)
{
System.out.println("No" + "Student Name" + "CA" + "CT" + "ASG" + "FINAL" + "GRADE");
for (int l=0; l<count; l++)
{
if (finalMark < 50)
System.out.print(name[l], caMark[l], ctMark[l], asgMark[l], finalMark[l]);
}
}
public static void addNewStudent(int count)
{
System.out.println("Option 3: Add New Student");
System.out.println("Enter Student Name: ");
String name = input.next();
System.out.println("Enter CA Marks: ");
double caMarks = input.nextDouble();
System.out.println("Enter CT Marks: ");
double ctMarks = input.nextDouble();
System.out.println("Enter ASG Marks: ");
double asgMarks = input.nextDouble();
System.out.println("One Student Added.");
count++;
}
public static void updateMark(int count, double asgMark)
{ int i = count;
System.out.println("Option 4: Update Assignment Mark of a Student: ");
System.out.println("Enter the serial number of the student to update : ");
i = input.nextInt();
System.out.println("Enter new assignment mark : ");
double asgMark = input.nextDouble();
System.out.println("The assignment mark is updated. ");
asgMark[count-1] = asgMarks;
}
public static char gradeMark( double finalMark)
{
char gradeMark = 0;
if (finalMark >=80)
System.out.println("Grade A");
if ((finalMark >=70) && (finalMark < 80))
System.out.println("Grade B");
if ((finalMark >=60) && (finalMark < 70))
System.out.println("Grade C");
if ((finalMark >= 50) && (finalMark < 60))
System.out.println("Grade D");
if (finalMark < 50)
System.out.println("Grade F");
return gradeMark;
}
}
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