Question

As a website developer I would like an error message to be output to the console if the number of pages is invalid.The number of pages must be greater than 1 and less than 1000.

How would I write this in java. Please help.

Answer 1

Java code:

import java.util.Scanner;

public class Main

{

    //main function

    public static void main(String[] args) {

        //creating Scanner Object page_input

        Scanner page_input=new Scanner(System.in);

        //variable for storing page input

        int num;

        //asking for number of pages

        System.out.println("Enter the number of pages: ");

        //accepting number of pages

        num=page_input.nextInt();

        //checking if number of pages is invalid

        if(num<=1 || num>=1000)

        //printing invalid number of pages

            System.out.println("Invalid number of pages.");

    }

}

Screenshot:

Input and Output: