Solved 2015 Question Paper ICSE Class 10 Computer Applications — Question 3

import java.util.Scanner;

public class KboatAvgMarks
{
    public static void main(String args[]) {
        
        Scanner in = new Scanner(System.in);
        System.out.print("Enter number of students: ");
        int n = in.nextInt();
        
        int rollNo[] = new int[n];
        String name[] = new String[n];
        int s1[] = new int[n];
        int s2[] = new int[n];
        int s3[] = new int[n];
        double avg[] = new double[n];
        
        for (int i = 0; i < n; i++) {
            System.out.println("Enter student " + (i+1) + " details:");
            System.out.print("Roll No: ");
            rollNo[i] = in.nextInt();
            in.nextLine();
            System.out.print("Name: ");
            name[i] = in.nextLine();
            System.out.print("Subject 1 Marks: ");
            s1[i] = in.nextInt();
            System.out.print("Subject 2 Marks: ");
            s2[i] = in.nextInt();
            System.out.print("Subject 3 Marks: ");
            s3[i] = in.nextInt();
            avg[i] = (s1[i] + s2[i] + s3[i]) / 3.0;
        }
        
        System.out.println("Roll No\tName\tRemark");
        for (int i = 0; i < n; i++) {
            String remark;
            if (avg[i] < 40) 
                remark = "Poor";
            else if (avg[i] < 60)
                remark = "Pass";
            else if (avg[i] < 75)
                remark = "First Class";
            else if (avg[i] < 85)
                remark = "Distinction";
            else
                remark = "Excellent";
            System.out.println(rollNo[i] + "\t" 
                + name[i] + "\t" 
                + remark);
        }
    }
}