Question

accept marks of five students and then displays their average. The program shoud not accept mark which is less than 0 and mark greater than 100. use array concept.

Answer 1

import java.util.Scanner; public class Students {     public static void main(String[] args) {        Scanner input = new Scanner(System.in);        double[] arrayOfStudents = newdouble[5];        double sum = 0;        for (int i = 0; i <arrayOfStudents.length; i++) {            System.out.print("Input markfor " + (i + 1) + " student: ");            int mark =Integer.parseInt(input.nextLine());            if (mark >= 0 && mark<= 100) {                arrayOfStudents[i] = mark;                sum += mark;            } else {                i--;                System.out.println("Badmark inputed. Try again");            }        }        double average = sum /arrayOfStudents.length;        System.out.println("Average:" + average);    }