studentGradeCalculator

import java.util.Scanner;
import java.util.*;

class studentGradeCalculator 
{
    public static void main (String [] args)
    {
        Scanner sc = new Scanner(System.in);
        System.out.println("Enter The number of subjects : ");
        int numofSubjects = sc.nextInt();
        String[] subjectNames = new String[numofSubjects];
        float[] marks = new float[numofSubjects];
        for (int i=0;i<numofSubjects;i++)
        {
            System.out.println ("Enter subject no. : "+(i+1));
            subjectNames[i] = sc.nextLine();
            System.out.println ("Enter marks obtained :");
            marks[i]=sc.nextFloat();
        }
        float sum=0.0f;
        for(int i=0;i<marks.length;i++)
        {
            sum+=marks[i];
        }
        System.out.println ("Total length:"+sum);
        float percentage=sum/numofSubjects;
        System.out.printf("Average Marks: %0.2f",percentage);
        if (percentage>=95 && percentage<=100)
        {
            System.out.print("\n Grade is A+.");
        }
        else if (percentage>=85 && percentage<94)
        {
            System.out.print("\n Grade is A.");
        }
        else if (percentage>=75 && percentage<84)
        {
            System.out.print("\n Grade is B+.");
        }
        else if (percentage>=65 && percentage<74)
        {
            System.out.print("\n Grade is B.");
        }
        else if (percentage>=55 && percentage<64)
        {
            System.out.print("\n Grade is C+.");
        }
        else 
        {
            System.out.print("\n Grade is F.");
        }

        return;
    }
}