Task2.java

// Task 2: Student Grade Calculator

import java.util.Scanner;

public class Task2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        System.out.print("Hello,Enter the Number of Subjects: ");
        int numSubjects = scanner.nextInt();

        int[] marks = new int[numSubjects];
        int totalMarks = 0;

        for (int i = 0; i < numSubjects; i++) {
            System.out.print("Enter marks obtained in each Subject " + (i + 1) + ": ");
            marks[i] = scanner.nextInt();
            totalMarks += marks[i];
        }

        double averagePercentage = (double) totalMarks / (numSubjects * 100) * 100;

        System.out.println("Your Result is Here:");
        System.out.println("Your Total Marks: " + totalMarks);
        System.out.println("Average Percentage: " + averagePercentage + "%");

        String grade = calculateGrade(averagePercentage);
        System.out.println("Grade: " + grade);
        

        scanner.close();
    }

    public static String calculateGrade(double percentage){

        if (percentage >= 90) {
            return "A+";
        } else if (percentage >= 80) {
            return "A";
        } else if (percentage >= 70) {
            return "B";
        } else if (percentage >= 60) {
            return "C";
        } else if (percentage >= 50) {
            return "D";
        } else {
            return "F";
        }
    }
}