└── task1.java


/task1.java:
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 1 | import java.util.Scanner;
 2 | 
 3 | public class GradeCalculator {
 4 |     public static void main(String[] args) {
 5 |         Scanner scanner = new Scanner(System.in);
 6 | 
 7 |         // Input: Take marks obtained in each subject
 8 |         System.out.print("Enter the number of subjects: ");
 9 |         int subjects = scanner.nextInt();
10 |         int[] marksList = new int[subjects];
11 | 
12 |         for (int i = 0; i < subjects; i++) {
13 |             System.out.print("Enter marks obtained in subject " + (i + 1) + " (out of 100): ");
14 |             marksList[i] = scanner.nextInt();
15 |         }
16 | 
17 |         // Calculate Total Marks
18 |         int totalMarks = 0;
19 |         for (int marks : marksList) {
20 |             totalMarks += marks;
21 |         }
22 | 
23 |         // Calculate Average Percentage
24 |         double averagePercentage = (double) totalMarks / subjects;
25 | 
26 |         // Grade Calculation
27 |         char grade = calculateGrade(averagePercentage);
28 | 
29 |         // Display Results
30 |         System.out.println("\nTotal Marks: " + totalMarks);
31 |         System.out.printf("Average Percentage: %.2f%%\n", averagePercentage);
32 |         System.out.println("Grade: " + grade);
33 | 
34 |         scanner.close();
35 |     }
36 | 
37 |     private static char calculateGrade(double averagePercentage) {
38 |         if (averagePercentage >= 90) {
39 |             return 'A';
40 |         } else if (averagePercentage >= 80) {
41 |             return 'B';
42 |         } else if (averagePercentage >= 70) {
43 |             return 'C';
44 |         } else if (averagePercentage >= 60) {
45 |             return 'D';
46 |         } else {
47 |             return 'F';
48 |         }
49 |     }
50 | }
51 | 


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