Answer to Question #256559 in Java | JSP | JSF for Nguu

Question

2.   Create a java program that initialize a two dimensional array with the continuous assessment marks used to determine the semester mark for PRG510S exam qualification, The system should also create an array of student names in correspondence to the marks (Note: the appropriate weights of each individual assessment are given under corresponding headings and both the marks and student names are read from the user input).

   

test1

 

(Weight 20%)

test2

 

(Weight 20%)

labs

 

(Weight 20%)

in_class

exercise

(Weight 10%)

assignment

 

(Weight 30%)

John

50

60

79

89

63

Harry

41

52

68

56

40

Uushona

30

20

52

38

47

Sililo

23

33

45

19

27

                                                                                                          

Enter class size: 4 

Answer 1

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Enter class size: ");
        int size = in.nextInt();
        String[] names = new String[size];
        int[][] marks = new int[size][5];
        for (int i = 0; i < names.length; i++) {
            System.out.print("Name: ");
            names[i] = in.next();
            for (int j = 0; j < marks[i].length; j++) {
                System.out.print("Mark " + (j + 1) + ": ");
                marks[i][j] = in.nextInt();
            }
        }
        System.out.println("\nPRG510S");
        System.out.printf("%-12s%-20s%-20s%-20s%-20s%-20s%-10s\n", "name", "test1", "test2", "labs",
                "in_class exercises", "assignment", "total");
        System.out.printf("%-12s%-20s%-20s%-20s%-20s%-20s\n", "", "(Weight 20%)", "(Weight 20%)", "(Weight 20%)",
                "(Weight 10%)", "(Weight 30%)");
        int total;
        int[] weights = {20, 20, 20, 10, 30};
        for (int i = 0; i < names.length; i++) {
            System.out.printf("%-12s", names[i]);
            total = 0;
            for (int j = 0; j < marks[i].length; j++) {
                System.out.printf("%-20s", marks[i][j]);
                total += marks[i][j] * weights[j];
            }
            System.out.printf("%-10s\n", 0.01 * total);
        }
    }
}