Task2.java

import java.util.Scanner;

public class Task2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        System.out.println("Student Grade Calculator");
        
        System.out.print("Enter the number of subjects: ");
        int numSubjects = scanner.nextInt();
        
        int totalMarks = 0;
        for (int i = 1; i <= numSubjects; i++) {
            System.out.print("Enter marks obtained in subject " + i + ": ");
            int marks = scanner.nextInt();
            totalMarks += marks;
        }
        
        double averagePercentage = (double) totalMarks / (numSubjects * 100) * 100;
        
        System.out.println("Total Marks: " + totalMarks);
        System.out.println("Average Percentage: " + averagePercentage + "%");
        
        String grade = calculateGrade(averagePercentage);
        System.out.println("Grade: " + grade);
        if(grade.equals("F")){
            System.out.println("you are failed the exam");
        }else{
            System.out.println("you passed the exam");
        }
        
        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";
        }
    }
}