Attendance Percentage Calculator

import java.util.Scanner;

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

        System.out.print("Enter total classes held: ");
        int held = sc.nextInt();
        System.out.print("Enter total classes attended: ");
        int attended = sc.nextInt();

        double per = (attended * 100.0) / held;
        System.out.println("Attendance = " + per + "%");

        if (per >= 75.0) {
            System.out.println("Allowed to sit in exam");
        } else {
            System.out.println("Not allowed to sit in exam");
        }

        sc.close();
    }
}